diff --git a/Dockerfile b/Dockerfile
deleted file mode 120000
index 52b504a..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,111 +0,0 @@
-# Built with arch: amd64 flavor: lxde image: ubuntu:18.04 localbuild: 1
-#
-################################################################################
-# base system
-################################################################################
-
-FROM ubuntu:16.04 as system
-
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
-
-# built-in packages
-ENV DEBIAN_FRONTEND noninteractive
-RUN apt update \
-    && apt install -y --no-install-recommends software-properties-common curl apache2-utils \
-    && apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        supervisor nginx sudo net-tools zenity xz-utils \
-        dbus-x11 x11-utils alsa-utils \
-        mesa-utils libgl1-mesa-dri \
-    && apt autoclean -y \
-    && apt autoremove -y \
-    && rm -rf /var/lib/apt/lists/*
-# install debs error if combine together
-RUN add-apt-repository -y ppa:fcwu-tw/apps \
-    && apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        xvfb x11vnc\
-        vim-tiny firefox chromium-browser ttf-ubuntu-font-family ttf-wqy-zenhei  \
-    && add-apt-repository -r ppa:fcwu-tw/apps \
-    && apt autoclean -y \
-    && apt autoremove -y \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        lxde gtk2-engines-murrine gnome-themes-standard gtk2-engines-pixbuf gtk2-engines-murrine \
-    && apt autoclean -y \
-    && apt autoremove -y \
-    && rm -rf /var/lib/apt/lists/*
- 
- 
-# Additional packages require ~600MB
-# libreoffice  pinta language-pack-zh-hant language-pack-gnome-zh-hant firefox-locale-zh-hant libreoffice-l10n-zh-tw
-
-# tini for subreap
-ARG TINI_VERSION=v0.18.0
-ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /bin/tini
-RUN chmod +x /bin/tini
-
-# ffmpeg
-RUN apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        ffmpeg \
-    && rm -rf /var/lib/apt/lists/* \
-    && mkdir /usr/local/ffmpeg \
-    && ln -s /usr/bin/ffmpeg /usr/local/ffmpeg/ffmpeg
-
-# python library
-COPY image/usr/local/lib/web/backend/requirements.txt /tmp/
-RUN apt-get update \
-    && dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
-    && apt-get install -y python-pip python-dev build-essential \
-	&& pip install setuptools wheel && pip install -r /tmp/requirements.txt \
-    && dpkg-query -W -f='${Package}\n' > /tmp/b.txt \
-    && apt-get remove -y `diff --changed-group-format='%>' --unchanged-group-format='' /tmp/a.txt /tmp/b.txt | xargs` \
-    && apt-get autoclean -y \
-    && apt-get autoremove -y \
-    && rm -rf /var/lib/apt/lists/* \
-    && rm -rf /var/cache/apt/* /tmp/a.txt /tmp/b.txt
-
-
-################################################################################
-# builder
-################################################################################
-# FROM ubuntu:18.04 as builder
-
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends curl ca-certificates gnupg patch
-
-# nodejs
-RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - \
-    && apt-get install -y nodejs
-
-# yarn
-RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
-    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
-    && apt-get update \
-    && apt-get install -y yarn
-
-ARG ABC
-ENV PREFIX_PATH "/app"
-
-COPY image /
-
-# build frontend
-COPY web /src/web
-RUN /etc/install.sh
-
-LABEL maintainer="Tobias Stein, fcwu.tw@gmail.com"
-
-# COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
-RUN mkdir -p /usr/local/lib/web/frontend
-
-RUN cp -R /src/web/dist/. /usr/local/lib/web/frontend/
-
-EXPOSE 80
-WORKDIR /root
-ENV HOME=/home/ubuntu \
-    SHELL=/bin/bash
-HEALTHCHECK --interval=30s --timeout=5s CMD curl --fail http://127.0.0.1:6079/api/health
-ENTRYPOINT ["/startup.sh"]
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..5c54c08
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,119 @@
+# Built with arch: amd64 flavor: lxde image: ubuntu:18.04
+#
+################################################################################
+# base system
+################################################################################
+
+FROM ubuntu:18.04 as system
+
+
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
+
+# built-in packages
+ENV DEBIAN_FRONTEND noninteractive
+RUN apt update \
+    && apt install -y --no-install-recommends software-properties-common curl apache2-utils \
+    && apt update \
+    && apt install -y --no-install-recommends --allow-unauthenticated \
+        supervisor nginx sudo net-tools zenity xz-utils \
+        dbus-x11 x11-utils alsa-utils \
+        mesa-utils libgl1-mesa-dri \
+    && apt autoclean -y \
+    && apt autoremove -y \
+    && rm -rf /var/lib/apt/lists/*
+# install debs error if combine together
+RUN add-apt-repository -y ppa:fcwu-tw/apps \
+    && apt update \
+    && apt install -y --no-install-recommends --allow-unauthenticated \
+        xvfb x11vnc=0.9.16-1 \
+        vim-tiny firefox chromium-browser ttf-ubuntu-font-family ttf-wqy-zenhei  \
+    && add-apt-repository -r ppa:fcwu-tw/apps \
+    && apt autoclean -y \
+    && apt autoremove -y \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN apt update \
+    && apt install -y --no-install-recommends --allow-unauthenticated \
+        lxde gtk2-engines-murrine gnome-themes-standard gtk2-engines-pixbuf gtk2-engines-murrine arc-theme \
+    && apt autoclean -y \
+    && apt autoremove -y \
+    && rm -rf /var/lib/apt/lists/*
+ 
+ 
+ 
+# Additional packages require ~600MB
+# libreoffice  pinta language-pack-zh-hant language-pack-gnome-zh-hant firefox-locale-zh-hant libreoffice-l10n-zh-tw
+
+# tini for subreap
+ARG TINI_VERSION=v0.18.0
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-amd64 /bin/tini
+RUN chmod +x /bin/tini
+
+# ffmpeg
+RUN apt update \
+    && apt install -y --no-install-recommends --allow-unauthenticated \
+        ffmpeg \
+    && rm -rf /var/lib/apt/lists/* \
+    && mkdir /usr/local/ffmpeg \
+    && ln -s /usr/bin/ffmpeg /usr/local/ffmpeg/ffmpeg
+
+
+# python library
+COPY rootfs/usr/local/lib/web/backend/requirements.txt /tmp/
+RUN apt-get update \
+    && dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
+    && apt-get install -y python-pip python-dev build-essential \
+	&& pip install setuptools wheel && pip install -r /tmp/requirements.txt \
+    && dpkg-query -W -f='${Package}\n' > /tmp/b.txt \
+    && apt-get remove -y `diff --changed-group-format='%>' --unchanged-group-format='' /tmp/a.txt /tmp/b.txt | xargs` \
+    && apt-get autoclean -y \
+    && apt-get autoremove -y \
+    && rm -rf /var/lib/apt/lists/* \
+    && rm -rf /var/cache/apt/* /tmp/a.txt /tmp/b.txt
+
+
+################################################################################
+# builder
+################################################################################
+FROM ubuntu:18.04 as builder
+
+
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends curl ca-certificates gnupg patch
+
+# nodejs
+RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - \
+    && apt-get install -y nodejs
+
+# yarn
+RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
+    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
+    && apt-get update \
+    && apt-get install -y yarn
+
+# build frontend
+COPY web /src/web
+RUN cd /src/web \
+    && yarn \
+    && yarn build
+
+
+
+################################################################################
+# merge
+################################################################################
+FROM system
+LABEL maintainer="fcwu.tw@gmail.com"
+
+COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
+COPY rootfs /
+RUN ln -sf /usr/local/lib/web/frontend/static/websockify /usr/local/lib/web/frontend/static/novnc/utils/websockify && \
+	chmod +x /usr/local/lib/web/frontend/static/websockify/run
+
+EXPOSE 80
+WORKDIR /root
+ENV HOME=/home/ubuntu \
+    SHELL=/bin/bash
+HEALTHCHECK --interval=30s --timeout=5s CMD curl --fail http://127.0.0.1:6079/api/health
+ENTRYPOINT ["/startup.sh"]
diff --git a/Dockerfile.18.04 b/Dockerfile.18.04
deleted file mode 100644
index c2ed2d3..0000000
--- a/Dockerfile.18.04
+++ /dev/null
@@ -1,117 +0,0 @@
-# Built with arch: amd64 flavor: lxde image: ubuntu:18.04 localbuild: 1
-#
-################################################################################
-# base system
-################################################################################
-
-FROM ubuntu:18.04 as system
-
-
-
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
-
-
-# built-in packages
-ENV DEBIAN_FRONTEND noninteractive
-RUN apt update \
-    && apt install -y --no-install-recommends software-properties-common curl apache2-utils \
-    && apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        supervisor nginx sudo net-tools zenity xz-utils \
-        dbus-x11 x11-utils alsa-utils \
-        mesa-utils libgl1-mesa-dri \
-    && apt autoclean -y \
-    && apt autoremove -y \
-    && rm -rf /var/lib/apt/lists/*
-# install debs error if combine together
-RUN add-apt-repository -y ppa:fcwu-tw/apps \
-    && apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        xvfb x11vnc=0.9.16-1 \
-        vim-tiny firefox chromium-browser ttf-ubuntu-font-family ttf-wqy-zenhei  \
-    && add-apt-repository -r ppa:fcwu-tw/apps \
-    && apt autoclean -y \
-    && apt autoremove -y \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        lxde gtk2-engines-murrine gnome-themes-standard gtk2-engines-pixbuf gtk2-engines-murrine arc-theme \
-    && apt autoclean -y \
-    && apt autoremove -y \
-    && rm -rf /var/lib/apt/lists/*
- 
- 
-# Additional packages require ~600MB
-# libreoffice  pinta language-pack-zh-hant language-pack-gnome-zh-hant firefox-locale-zh-hant libreoffice-l10n-zh-tw
-
-# tini for subreap
-ARG TINI_VERSION=v0.18.0
-ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /bin/tini
-RUN chmod +x /bin/tini
-
-# ffmpeg
-RUN apt update \
-    && apt install -y --no-install-recommends --allow-unauthenticated \
-        ffmpeg \
-    && rm -rf /var/lib/apt/lists/* \
-    && mkdir /usr/local/ffmpeg \
-    && ln -s /usr/bin/ffmpeg /usr/local/ffmpeg/ffmpeg
-
-# python library
-COPY image/usr/local/lib/web/backend/requirements.txt /tmp/
-RUN apt-get update \
-    && dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
-    && apt-get install -y python-pip python-dev build-essential \
-	&& pip install setuptools wheel && pip install -r /tmp/requirements.txt \
-    && dpkg-query -W -f='${Package}\n' > /tmp/b.txt \
-    && apt-get remove -y `diff --changed-group-format='%>' --unchanged-group-format='' /tmp/a.txt /tmp/b.txt | xargs` \
-    && apt-get autoclean -y \
-    && apt-get autoremove -y \
-    && rm -rf /var/lib/apt/lists/* \
-    && rm -rf /var/cache/apt/* /tmp/a.txt /tmp/b.txt
-
-
-################################################################################
-# builder
-################################################################################
-# FROM ubuntu:18.04 as builder
-
-
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
-
-
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends curl ca-certificates gnupg patch
-
-# nodejs
-RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - \
-    && apt-get install -y nodejs
-
-# yarn
-RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
-    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
-    && apt-get update \
-    && apt-get install -y yarn
-
-ENV PREFIX_PATH "/app"
-
-COPY image /
-
-# build frontend
-COPY web /src/web
-RUN /etc/install.sh
-
-LABEL maintainer="Tobias Stein, fcwu.tw@gmail.com"
-
-# COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
-RUN mkdir -p /usr/local/lib/web/frontend
-
-RUN cp -R /src/web/dist/. /usr/local/lib/web/frontend/
-
-EXPOSE 80
-WORKDIR /root
-ENV HOME=/home/ubuntu \
-    SHELL=/bin/bash
-HEALTHCHECK --interval=30s --timeout=5s CMD curl --fail http://127.0.0.1:6079/api/health
-ENTRYPOINT ["/startup.sh"]
diff --git a/Dockerfile.amd64 b/Dockerfile.amd64
index b9524f8..85101ec 100644
--- a/Dockerfile.amd64
+++ b/Dockerfile.amd64
@@ -1,4 +1,4 @@
-# Built with arch: amd64 flavor: lxde image: ubuntu:18.04 localbuild: 1
+# Built with arch: amd64 flavor: lxde image: ubuntu:18.04
 #
 ################################################################################
 # base system
@@ -8,7 +8,7 @@ FROM ubuntu:18.04 as system
 
 
 
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
 
 
 # built-in packages
@@ -45,7 +45,7 @@ RUN apt update \
 # Additional packages require ~600MB
 # libreoffice  pinta language-pack-zh-hant language-pack-gnome-zh-hant firefox-locale-zh-hant libreoffice-l10n-zh-tw
 
-# tini for subreap
+# tini to fix subreap
 ARG TINI_VERSION=v0.18.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /bin/tini
 RUN chmod +x /bin/tini
@@ -59,7 +59,7 @@ RUN apt update \
     && ln -s /usr/bin/ffmpeg /usr/local/ffmpeg/ffmpeg
 
 # python library
-COPY image/usr/local/lib/web/backend/requirements.txt /tmp/
+COPY rootfs/usr/local/lib/web/backend/requirements.txt /tmp/
 RUN apt-get update \
     && dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
     && apt-get install -y python-pip python-dev build-essential \
@@ -78,7 +78,7 @@ RUN apt-get update \
 FROM ubuntu:18.04 as builder
 
 
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
 
 
 RUN apt-get update \
@@ -98,7 +98,7 @@ RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
 COPY web /src/web
 RUN cd /src/web \
     && yarn \
-    && npm run build
+    && yarn build
 
 
 
@@ -109,7 +109,9 @@ FROM system
 LABEL maintainer="fcwu.tw@gmail.com"
 
 COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
-COPY image /
+COPY rootfs /
+RUN ln -sf /usr/local/lib/web/frontend/static/websockify /usr/local/lib/web/frontend/static/novnc/utils/websockify && \
+	chmod +x /usr/local/lib/web/frontend/static/websockify/run
 
 EXPOSE 80
 WORKDIR /root
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 5f5f7a6..a73e556 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-# Built with arch: armhf flavor: lxde image: ubuntu:18.04 localbuild: 1
+# Built with arch: armhf flavor: lxde image: ubuntu:18.04
 #
 ################################################################################
 # base system
@@ -12,7 +12,7 @@ COPY --from=amd64 /usr/bin/qemu-arm-static /usr/bin/
 
 
 
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
 
 
 # built-in packages
@@ -59,7 +59,7 @@ RUN mkdir -p /usr/local/ffmpeg \
     && curl -sSL https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz | tar xJvf - -C /usr/local/ffmpeg/ --strip 1
 
 # python library
-COPY image/usr/local/lib/web/backend/requirements.txt /tmp/
+COPY rootfs/usr/local/lib/web/backend/requirements.txt /tmp/
 RUN apt-get update \
     && dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
     && apt-get install -y python-pip python-dev build-essential \
@@ -78,7 +78,7 @@ RUN apt-get update \
 FROM ubuntu:18.04 as builder
 
 
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
 
 
 RUN apt-get update \
@@ -111,7 +111,10 @@ FROM system
 LABEL maintainer="fcwu.tw@gmail.com"
 
 COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
-COPY image /
+COPY rootfs /
+RUN ln -sf /usr/local/lib/web/frontend/static/websockify" "/usr/local/lib/web/frontend/static/novnc/utils/websockify && chmod +x /usr/local/lib/web/frontend/static/websockify/run
+RUN ln -sf /usr/local/lib/web/frontend/static/websockify /usr/local/lib/web/frontend/static/novnc/utils/websockify && \
+	chmod +x /usr/local/lib/web/frontend/static/websockify/run
 
 EXPOSE 80
 WORKDIR /root
diff --git a/Dockerfile.j2 b/Dockerfile.j2
index 8838c72..cab3753 100644
--- a/Dockerfile.j2
+++ b/Dockerfile.j2
@@ -1,4 +1,4 @@
-# Built with arch: {{ arch }} flavor: {{ flavor }} image: {{ image }} localbuild: {{localbuild }}
+# Built with arch: {{ arch }} flavor: {{ flavor }} image: {{ image }}
 #
 ################################################################################
 # base system
@@ -13,9 +13,7 @@ FROM arm32v7/{{image}} as system
 COPY --from=amd64 /usr/bin/qemu-arm-static /usr/bin/
 {%endif%}
 
-{% if localbuild == 1 %}
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
-{% endif %}
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
 
 # built-in packages
 ENV DEBIAN_FRONTEND noninteractive
@@ -81,7 +79,7 @@ RUN apt update \
 
 
 # python library
-COPY image/usr/local/lib/web/backend/requirements.txt /tmp/
+COPY rootfs/usr/local/lib/web/backend/requirements.txt /tmp/
 RUN apt-get update \
     && dpkg-query -W -f='${Package}\n' > /tmp/a.txt \
     && apt-get install -y python-pip python-dev build-essential \
@@ -100,7 +98,7 @@ RUN apt-get update \
 FROM {{image}} as builder
 
 {% if localbuild == 1 %}
-RUN sed -i 's#http://archive.ubuntu.com/#http://tw.archive.ubuntu.com/#' /etc/apt/sources.list; 
+RUN sed -i 's#http://archive.ubuntu.com/ubuntu/#mirror://mirrors.ubuntu.com/mirrors.txt#' /etc/apt/sources.list; 
 {% endif %}
 
 RUN apt-get update \
@@ -120,7 +118,7 @@ RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
 COPY web /src/web
 RUN cd /src/web \
     && yarn \
-    && npm run build
+    && yarn build
 
 {%if arch == "armhf"%}
 RUN cd /src/web/dist/static/novnc && patch -p0 < /src/web/novnc-armhf-1.patch
@@ -133,7 +131,9 @@ FROM system
 LABEL maintainer="fcwu.tw@gmail.com"
 
 COPY --from=builder /src/web/dist/ /usr/local/lib/web/frontend/
-COPY image /
+COPY rootfs /
+RUN ln -sf /usr/local/lib/web/frontend/static/websockify /usr/local/lib/web/frontend/static/novnc/utils/websockify && \
+	chmod +x /usr/local/lib/web/frontend/static/websockify/run
 
 EXPOSE 80
 WORKDIR /root
diff --git a/Makefile b/Makefile
index a76f15d..8c24ec4 100644
--- a/Makefile
+++ b/Makefile
@@ -5,15 +5,13 @@ REPO  ?= dorowu/ubuntu-desktop-lxde-vnc
 TAG   ?= latest
 # you can choose other base image versions
 IMAGE ?= ubuntu:18.04
-# use tw.archive.ubuntu.com instead of archive.ubuntu.com
-LOCALBUILD ?= 1
 # choose from supported flavors (see available ones in ./flavors/*.yml)
 FLAVOR ?= lxde
 # armhf or amd64
 ARCH ?= amd64
 
 # These files will be generated from teh Jinja templates (.j2 sources)
-templates = Dockerfile image/etc/supervisor/conf.d/supervisord.conf
+templates = Dockerfile rootfs/etc/supervisor/conf.d/supervisord.conf
 
 # Rebuild the container image
 build: $(templates)
@@ -28,6 +26,7 @@ run:
 		-e USER=doro -e PASSWORD=mypassword \
 		-e ALSADEV=hw:2,0 \
 		-e SSL_PORT=443 \
+		-e RELATIVE_URL_ROOT=approot \
 		-v ${PWD}/ssl:/etc/nginx/ssl \
 		--device /dev/snd \
 		--name ubuntu-desktop-lxde-test \
diff --git a/README.md b/README.md
index 89411f4..80752fb 100644
--- a/README.md
+++ b/README.md
@@ -88,8 +88,19 @@ The default user is `root`. You may change the user and password respectively by
 docker run -p 6080:80 -e USER=doro -e PASSWORD=password -v /dev/shm:/dev/shm dorowu/ubuntu-desktop-lxde-vnc
 ```
 
+Deploy to a subdirectory (relative url root)
+--------------------------------------------
+
+You may deploy this application to a subdirectory, for example `/some-prefix/`. You then can access application by `http://127.0.0.1:6080/some-prefix/`. This can be specified using the `RELATIVE_URL_ROOT` configuration option like this
+
+```
+docker run -p 6080:80 -e RELATIVE_URL_ROOT=some-prefix dorowu/ubuntu-desktop-lxde-vnc
+```
+
+NOTE: this variable should not have any leading and trailing splash (/)
+
 Sound (Preview version and Linux only)
--------------------
+--------------------------------------
 
 It only works in Linux. 
 
@@ -122,7 +133,6 @@ Dockerfile and configuration can be generated by template.
 - arch: one of `amd64` or `armhf`
 - flavor: refer to file in flavor/`flavor`.yml
 - image: base image
-- localbuild: build from local that will use mirror site if set
 - desktop: desktop environment which is set in flavor
 - addon_package: Debian package to be installed which is set in flavor
 
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..4165681
--- /dev/null
+++ b/TODO
@@ -0,0 +1,2 @@
+- upgrade frontend packages
+- rewrite backend by golang
diff --git a/a b/a
deleted file mode 100644
index e69de29..0000000
diff --git a/image/etc/RenameURL.py b/image/etc/RenameURL.py
deleted file mode 100644
index 0494bec..0000000
--- a/image/etc/RenameURL.py
+++ /dev/null
@@ -1,23 +0,0 @@
-import os, fnmatch
-
-toFind = "/app"
-toReplace = os.getenv("PREFIX_PATH")
-
-if (toReplace is None):
-    print("No path given by environment variable.")
-    exit()
-
-print("using path {0} ...".format(toReplace))
-
-def findReplace(directory, find, replace):
-    print("Rename {0} into {1} at {2}".format(toFind, toReplace, directory))
-    for path, dirs, files in os.walk(os.path.abspath(directory)):
-        for filename in files:
-            filepath = os.path.join(path, filename)
-            with open(filepath) as f:
-                s = f.read()
-            s = s.replace(find, replace)
-            with open(filepath, "w") as f:
-                f.write(s)
-
-findReplace("/etc/nginx/sites-enabled/", toFind, toReplace)
\ No newline at end of file
diff --git a/image/etc/install.sh b/image/etc/install.sh
deleted file mode 100644
index 2a0f42e..0000000
--- a/image/etc/install.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-echo 'Building Node.js project...'
-cd /src/web \
-    && yarn \
-    && npm run build
-
-cp -R /src/web/dist/. /usr/local/lib/web/frontend/
-echo 'Build finished.'
\ No newline at end of file
diff --git a/image/etc/nginx/sites-enabled/default b/image/etc/nginx/sites-enabled/default
deleted file mode 100644
index 6f785b9..0000000
--- a/image/etc/nginx/sites-enabled/default
+++ /dev/null
@@ -1,54 +0,0 @@
-server {
-	listen 80 default_server;
-    # listen [::]:80 default_server ipv6only=on;
-
-    #_SSL_PORT_#listen 443 ssl default_server;
-    #_SSL_PORT_#listen [::]:443 ssl default_server ipv6only=on;
-    #_SSL_PORT_#ssl_certificate /etc/nginx/ssl/nginx.crt;
-    #_SSL_PORT_#ssl_certificate_key /etc/nginx/ssl/nginx.key;
-
-    #_HTTP_PASSWORD_#auth_basic "Private Property";
-    #_HTTP_PASSWORD_#auth_basic_user_file /etc/nginx/.htpasswd;
-
-	root /usr/local/lib/web/frontend/;
-	index index.html index.htm;
-
-    location = /app {
-       try_files $uri @rewrites;
-    }
-
-    location @rewrites {
-        rewrite ^(.+)$ /index.html last;
-    }
-
-    location ~ ^/app/api {
-        try_files $uri @api;
-    }
-
-    location = /app/websockify {
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_buffering off;
-        proxy_connect_timeout   7d;
-        proxy_send_timeout      7d;
-        proxy_read_timeout      7d;
-        proxy_pass http://127.0.0.1:6081;
-    }
-
-    location @api {
-        proxy_set_header X-Real-IP  $remote_addr;
-        proxy_set_header X-Forwarded-For $remote_addr;
-        proxy_set_header Host $host;
-        proxy_pass http://127.0.0.1:6079;
-        max_ranges 0;
-    }
-
-    location @proxy {
-        proxy_set_header X-Real-IP  $remote_addr;
-        proxy_set_header X-Forwarded-For $remote_addr;
-        proxy_set_header Host $host;
-        proxy_pass http://127.0.0.1:6081;
-        max_ranges 0;
-    }
-}
diff --git a/rootfs/etc/nginx/sites-enabled/default b/rootfs/etc/nginx/sites-enabled/default
new file mode 100644
index 0000000..fd0f442
--- /dev/null
+++ b/rootfs/etc/nginx/sites-enabled/default
@@ -0,0 +1,46 @@
+server {
+	listen 80 default_server;
+	# listen [::]:80 default_server ipv6only=on;
+
+	#_SSL_PORT_#listen 443 ssl default_server;
+	#_SSL_PORT_#listen [::]:443 ssl default_server ipv6only=on;
+	#_SSL_PORT_#ssl_certificate /etc/nginx/ssl/nginx.crt;
+	#_SSL_PORT_#ssl_certificate_key /etc/nginx/ssl/nginx.key;
+	
+	#_HTTP_PASSWORD_#auth_basic "Private Property";
+	#_HTTP_PASSWORD_#auth_basic_user_file /etc/nginx/.htpasswd;
+
+	root /usr/local/lib/web/frontend/;
+	index index.html index.htm;
+
+	location /api/ {
+		try_files $uri @api;
+	}
+
+	location ~ /websockify$ {
+		#_RELATIVE_URL_ROOT_rewrite /_RELATIVE_URL_ROOT_/(.*) $1 last;
+		proxy_http_version 1.1;
+		proxy_set_header Upgrade $http_upgrade;
+		proxy_set_header Connection "upgrade";
+		proxy_buffering off;
+		proxy_connect_timeout   7d;
+		proxy_send_timeout      7d;
+		proxy_read_timeout      7d;
+		proxy_pass http://127.0.0.1:6081;
+	}
+
+	location @api {
+		#_RELATIVE_URL_ROOT_rewrite /_RELATIVE_URL_ROOT_/(.*) $1 last;
+		proxy_set_header X-Real-IP  $remote_addr;
+		proxy_set_header X-Forwarded-For $remote_addr;
+		proxy_set_header Host $host;
+		proxy_pass http://127.0.0.1:6079;
+		max_ranges 0;
+	}
+
+	#_RELATIVE_URL_ROOT_location /_RELATIVE_URL_ROOT_/ {
+	#_RELATIVE_URL_ROOT_	rewrite /_RELATIVE_URL_ROOT_/(.*) /$1 last;
+	#_RELATIVE_URL_ROOT_	root /usr/local/lib/web/frontend/;
+	#_RELATIVE_URL_ROOT_}
+}
+
diff --git a/image/etc/supervisor/conf.d/supervisord.conf b/rootfs/etc/supervisor/conf.d/supervisord.conf
similarity index 79%
rename from image/etc/supervisor/conf.d/supervisord.conf
rename to rootfs/etc/supervisor/conf.d/supervisord.conf
index 61e850f..f1dacb0 100644
--- a/image/etc/supervisor/conf.d/supervisord.conf
+++ b/rootfs/etc/supervisor/conf.d/supervisord.conf
@@ -7,10 +7,6 @@ directory=/root
 [program:nginx]
 priority=10
 command=nginx -c /etc/nginx/nginx.conf -g 'daemon off;'
-stdout_logfile=/dev/fd/1
-stdout_logfile_maxbytes=0
-stderr_logfile=/dev/fd/1
-stderr_logfile_maxbytes=0
 
 [program:web]
 priority=10
@@ -45,6 +41,10 @@ user=%USER%
 environment=DISPLAY=":1",HOME="%HOME%",USER="%USER%"
 
 
+
+
+
+
 [program:xvfb]
 priority=10
 command=/usr/local/bin/xvfb.sh
@@ -54,10 +54,8 @@ stopsignal=KILL
 priority=20
 command=x11vnc -display :1 -xkb -forever -shared -repeat
 
-
 [program:novnc]
 priority=25
-directory=/usr/local/lib/web/frontend%(ENV_PREFIX_PATH)s/static/novnc
-command=bash /usr/local/lib/web/frontend%(ENV_PREFIX_PATH)s/static/novnc/utils/launch.sh --listen 6081
+directory=/usr/local/lib/web/frontend/static/novnc
+command=bash /usr/local/lib/web/frontend/static/novnc/utils/launch.sh --listen 6081
 stopasgroup=true
-
diff --git a/image/etc/supervisor/conf.d/supervisord.conf.j2 b/rootfs/etc/supervisor/conf.d/supervisord.conf.j2
similarity index 100%
rename from image/etc/supervisor/conf.d/supervisord.conf.j2
rename to rootfs/etc/supervisor/conf.d/supervisord.conf.j2
diff --git a/image/root/.asoundrc b/rootfs/root/.asoundrc
similarity index 100%
rename from image/root/.asoundrc
rename to rootfs/root/.asoundrc
diff --git a/image/root/.gtkrc-2.0 b/rootfs/root/.gtkrc-2.0
similarity index 100%
rename from image/root/.gtkrc-2.0
rename to rootfs/root/.gtkrc-2.0
diff --git a/image/startup.sh b/rootfs/startup.sh
similarity index 76%
rename from image/startup.sh
rename to rootfs/startup.sh
index c05c6e4..dca2e48 100755
--- a/image/startup.sh
+++ b/rootfs/startup.sh
@@ -34,8 +34,7 @@ if [ "$USER" != "root" ]; then
     cp -r /root/{.gtkrc-2.0,.asoundrc} ${HOME}
     [ -d "/dev/snd" ] && chgrp -R adm /dev/snd
 fi
-sed -i "s|%USER%|$USER|" /etc/supervisor/conf.d/supervisord.conf
-sed -i "s|%HOME%|$HOME|" /etc/supervisor/conf.d/supervisord.conf
+sed -i -e "s|%USER%|$USER|" -e "s|%HOME%|$HOME|" /etc/supervisor/conf.d/supervisord.conf
 
 # home folder
 mkdir -p $HOME/.config/pcmanfm/LXDE/
@@ -60,20 +59,14 @@ if [ -n "$HTTP_PASSWORD" ]; then
 fi
 
 # dynamic prefix path renaming
-if [ -n "$DYNAMIC_PREFIX_PATH" ]; then
-    PREFIX_PATH="$DYNAMIC_PREFIX_PATH"
-    echo "DYNAMIC_PREFIX_PATH: $PREFIX_PATH"
-    python /etc/RenameURL.py
-    /etc/install.sh
-    cat /etc/nginx/sites-enabled/default
+if [ -n "$RELATIVE_URL_ROOT" ]; then
+    echo "* enable RELATIVE_URL_ROOT: $RELATIVE_URL_ROOT"
+	sed -i 's|#_RELATIVE_URL_ROOT_||' /etc/nginx/sites-enabled/default
+	sed -i 's|_RELATIVE_URL_ROOT_|'$RELATIVE_URL_ROOT'|' /etc/nginx/sites-enabled/default
 fi
 
-# novnc websockify
-ln -s "/usr/local/lib/web/frontend$PREFIX_PATH/static/websockify" "/usr/local/lib/web/frontend$PREFIX_PATH/static/novnc/utils/websockify"
-chmod +x "/usr/local/lib/web/frontend$PREFIX_PATH/static/websockify/run"
-
 # clearup
-PASSWORD=+
+PASSWORD=
 HTTP_PASSWORD=
 
-exec /bin/tini -- /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
\ No newline at end of file
+exec /bin/tini -- /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
diff --git a/image/usr/local/bin/chromium-browser-sound.sh b/rootfs/usr/local/bin/chromium-browser-sound.sh
similarity index 100%
rename from image/usr/local/bin/chromium-browser-sound.sh
rename to rootfs/usr/local/bin/chromium-browser-sound.sh
diff --git a/image/usr/local/bin/xvfb.sh b/rootfs/usr/local/bin/xvfb.sh
similarity index 100%
rename from image/usr/local/bin/xvfb.sh
rename to rootfs/usr/local/bin/xvfb.sh
diff --git a/image/usr/local/lib/web/backend/config/__init__.py b/rootfs/usr/local/lib/web/backend/config/__init__.py
similarity index 100%
rename from image/usr/local/lib/web/backend/config/__init__.py
rename to rootfs/usr/local/lib/web/backend/config/__init__.py
diff --git a/image/usr/local/lib/web/backend/log/__init__.py b/rootfs/usr/local/lib/web/backend/log/__init__.py
similarity index 100%
rename from image/usr/local/lib/web/backend/log/__init__.py
rename to rootfs/usr/local/lib/web/backend/log/__init__.py
diff --git a/image/usr/local/lib/web/backend/log/config.py b/rootfs/usr/local/lib/web/backend/log/config.py
similarity index 100%
rename from image/usr/local/lib/web/backend/log/config.py
rename to rootfs/usr/local/lib/web/backend/log/config.py
diff --git a/image/usr/local/lib/web/backend/requirements.txt b/rootfs/usr/local/lib/web/backend/requirements.txt
similarity index 100%
rename from image/usr/local/lib/web/backend/requirements.txt
rename to rootfs/usr/local/lib/web/backend/requirements.txt
diff --git a/image/usr/local/lib/web/backend/run.py b/rootfs/usr/local/lib/web/backend/run.py
similarity index 100%
rename from image/usr/local/lib/web/backend/run.py
rename to rootfs/usr/local/lib/web/backend/run.py
diff --git a/image/usr/local/lib/web/backend/vnc/__init__.py b/rootfs/usr/local/lib/web/backend/vnc/__init__.py
similarity index 100%
rename from image/usr/local/lib/web/backend/vnc/__init__.py
rename to rootfs/usr/local/lib/web/backend/vnc/__init__.py
diff --git a/image/usr/local/lib/web/backend/vnc/app.py b/rootfs/usr/local/lib/web/backend/vnc/app.py
similarity index 97%
rename from image/usr/local/lib/web/backend/vnc/app.py
rename to rootfs/usr/local/lib/web/backend/vnc/app.py
index eed936b..d0a434d 100644
--- a/image/usr/local/lib/web/backend/vnc/app.py
+++ b/rootfs/usr/local/lib/web/backend/vnc/app.py
@@ -24,9 +24,8 @@ app = Flask('novnc2')
 app.config.from_object('config.Default')
 app.config.from_object(os.environ.get('CONFIG') or 'config.Development')
 
-PREFIX = os.getenv("PREFIX_PATH")
 
-@app.route(PREFIX+'/api/state')
+@app.route('/api/state')
 @httperror
 def apistate():
     print(url_for("apistate"))
@@ -39,7 +38,7 @@ def apistate():
     })
 
 
-@app.route(PREFIX+'/api/health')
+@app.route('/api/health')
 def apihealth():
     print(url_for("apihealth"))
     if state.health:
@@ -47,7 +46,7 @@ def apihealth():
     abort(503, 'unhealthy')
 
 
-@app.route(PREFIX+'/api/reset')
+@app.route('/api/reset')
 def reset():
     if 'w' in request.args and 'h' in request.args:
         args = {
@@ -72,7 +71,7 @@ def reset():
     return jsonify({'code': 200})
 
 
-@app.route(PREFIX+'/api/live.flv')
+@app.route('/api/live.flv')
 @httperror
 def liveflv():
     def generate():
diff --git a/image/usr/local/lib/web/backend/vnc/log.py b/rootfs/usr/local/lib/web/backend/vnc/log.py
similarity index 100%
rename from image/usr/local/lib/web/backend/vnc/log.py
rename to rootfs/usr/local/lib/web/backend/vnc/log.py
diff --git a/image/usr/local/lib/web/backend/vnc/response.py b/rootfs/usr/local/lib/web/backend/vnc/response.py
similarity index 100%
rename from image/usr/local/lib/web/backend/vnc/response.py
rename to rootfs/usr/local/lib/web/backend/vnc/response.py
diff --git a/image/usr/local/lib/web/backend/vnc/state.py b/rootfs/usr/local/lib/web/backend/vnc/state.py
similarity index 100%
rename from image/usr/local/lib/web/backend/vnc/state.py
rename to rootfs/usr/local/lib/web/backend/vnc/state.py
diff --git a/image/usr/local/lib/web/backend/vnc/util.py b/rootfs/usr/local/lib/web/backend/vnc/util.py
similarity index 100%
rename from image/usr/local/lib/web/backend/vnc/util.py
rename to rootfs/usr/local/lib/web/backend/vnc/util.py
diff --git a/image/usr/local/lib/web/frontend/.gitkeep b/rootfs/usr/local/lib/web/frontend/.gitkeep
similarity index 100%
rename from image/usr/local/lib/web/frontend/.gitkeep
rename to rootfs/usr/local/lib/web/frontend/.gitkeep
diff --git a/image/usr/local/share/doro-lxde-wallpapers/bg1.jpg b/rootfs/usr/local/share/doro-lxde-wallpapers/bg1.jpg
similarity index 100%
rename from image/usr/local/share/doro-lxde-wallpapers/bg1.jpg
rename to rootfs/usr/local/share/doro-lxde-wallpapers/bg1.jpg
diff --git a/image/usr/local/share/doro-lxde-wallpapers/bg2.jpg b/rootfs/usr/local/share/doro-lxde-wallpapers/bg2.jpg
similarity index 100%
rename from image/usr/local/share/doro-lxde-wallpapers/bg2.jpg
rename to rootfs/usr/local/share/doro-lxde-wallpapers/bg2.jpg
diff --git a/image/usr/local/share/doro-lxde-wallpapers/bg3.jpg b/rootfs/usr/local/share/doro-lxde-wallpapers/bg3.jpg
similarity index 100%
rename from image/usr/local/share/doro-lxde-wallpapers/bg3.jpg
rename to rootfs/usr/local/share/doro-lxde-wallpapers/bg3.jpg
diff --git a/image/usr/local/share/doro-lxde-wallpapers/bg4.jpg b/rootfs/usr/local/share/doro-lxde-wallpapers/bg4.jpg
similarity index 100%
rename from image/usr/local/share/doro-lxde-wallpapers/bg4.jpg
rename to rootfs/usr/local/share/doro-lxde-wallpapers/bg4.jpg
diff --git a/image/usr/local/share/doro-lxde-wallpapers/desktop-items-0.conf b/rootfs/usr/local/share/doro-lxde-wallpapers/desktop-items-0.conf
similarity index 100%
rename from image/usr/local/share/doro-lxde-wallpapers/desktop-items-0.conf
rename to rootfs/usr/local/share/doro-lxde-wallpapers/desktop-items-0.conf
diff --git a/image/usr/share/applications/chromium-browser-sound.desktop b/rootfs/usr/share/applications/chromium-browser-sound.desktop
similarity index 100%
rename from image/usr/share/applications/chromium-browser-sound.desktop
rename to rootfs/usr/share/applications/chromium-browser-sound.desktop
diff --git a/web/config/index.js b/web/config/index.js
index d74e596..37fabe4 100644
--- a/web/config/index.js
+++ b/web/config/index.js
@@ -5,26 +5,19 @@
 const path = require('path')
 const BACKEND = process.env.BACKEND || 'http://127.0.0.1:6080'
 
-const PREFIX_PATH = process.env.PREFIX_PATH || '/app'
-
-console.log(`within /config/index.js: ${process.env.PREFIX_PATH}`)
-
-const api_key = `${PREFIX_PATH}/api`
-const websockify_key = `${PREFIX_PATH}/websockfiy`
-
 module.exports = {
   dev: {
 
     // Paths
     assetsSubDirectory: 'static',
-    assetsPublicPath: '/',
+    assetsPublicPath: './',
     proxyTable: {
-      [api_key]: {
+      '/api': {
         target: BACKEND,
         changeOrigin: true,
         secure: false
       },
-      [websockify_key]: {
+      '/websockify': {
         target: BACKEND,
         // logLevel: 'debug',
         ws: true,
@@ -69,8 +62,8 @@ module.exports = {
 
     // Paths
     assetsRoot: path.resolve(__dirname, '../dist'),
-    assetsSubDirectory: PREFIX_PATH.substr(1)+'/static',
-    assetsPublicPath: '/',
+    assetsSubDirectory: 'static',
+    assetsPublicPath: './',
 
     /**
      * Source Maps
diff --git a/web/package.json b/web/package.json
index 61fa2e7..c6d06ee 100644
--- a/web/package.json
+++ b/web/package.json
@@ -67,6 +67,7 @@
     "vue-template-compiler": "^2.5.2",
     "webpack": "^3.6.0",
     "webpack-bundle-analyzer": "^2.9.0",
+    "webpack-cli": "^3.3.7",
     "webpack-dev-server": "^3.2.1",
     "webpack-merge": "^4.1.0"
   },
diff --git a/web/src/components/Vnc.vue b/web/src/components/Vnc.vue
index fcaf9e5..21eb80f 100644
--- a/web/src/components/Vnc.vue
+++ b/web/src/components/Vnc.vue
@@ -56,7 +56,7 @@ export default {
         'h': h
       }
       try {
-        const response = await this.$http.get(`${process.env.PREFIX_PATH}` + '/api/state', {params: params})
+        const response = await this.$http.get('api/state', {params: params})
         const body = response.data
         if (body.code !== 200) {
           this.stateErrorCount += 1
@@ -71,7 +71,7 @@ export default {
 
         // adaptive resolution
         if (!body.data.config.fixedResolution && body.data.config.sizeChangedCount === 0) {
-          const response = await this.$http.get(`${process.env.PREFIX_PATH}` + '/api/reset', {params: params})
+          const response = await this.$http.get('api/reset', {params: params})
           const body = response.data
           if (body.code !== 200) {
             this.stateErrorCount += 1
@@ -136,9 +136,7 @@ export default {
       // console.trace()
       console.log(`connecting...`)
       this.errorMessage = ''
-      let prefixName = `${process.env.PREFIX_PATH}`.substr(1)
-      console.log(prefixName)
-      let websockifyPath = prefixName + '/websockify'
+      let websockifyPath = 'websockify'
       if (force || this.vncState === 'stopped') {
         this.vncState = 'connecting'
         let hostname = window.location.hostname
@@ -146,7 +144,7 @@ export default {
         if (!port) {
           port = window.location.protocol[4] === 's' ? 443 : 80
         }
-        let url = prefixName + '/static/vnc.html?'
+        let url = 'static/vnc.html?'
         url += 'autoconnect=1&'
         url += `host=${hostname}&port=${port}&`
         url += `path=${websockifyPath}&title=novnc2&`
@@ -157,7 +155,7 @@ export default {
         if (force || this.videoState === 'stopped') {
           const w = this.$refs.vncFrame.clientWidth
           const h = this.$refs.vncFrame.clientHeight
-          let url = prefixName + `/static/video.html?width=${w}&height=${h}&base=${window.location.host}`
+          let url = `static/video.html?width=${w}&height=${h}&base=${window.location.host}`
           this.$refs.videoFrame.setAttribute('src', url)
           this.videoState = 'connecting'
         }
diff --git a/web/src/router/index.js b/web/src/router/index.js
index f1156f1..2bd31a8 100644
--- a/web/src/router/index.js
+++ b/web/src/router/index.js
@@ -4,11 +4,9 @@ import Vnc from '@/components/Vnc'
 
 Vue.use(Router)
 
-console.log(`within (router) /src/index.js: ${process.env.PREFIX_PATH}`)
-
 export default new Router({
   mode: 'history',
-  base: `${process.env.PREFIX_PATH}`,
+  base: window.location.pathname,
   routes: [
     {
       path: '/',
diff --git a/web/yarn.lock b/web/yarn.lock
index 5e850df..af63ca3 100644
--- a/web/yarn.lock
+++ b/web/yarn.lock
@@ -186,11 +186,15 @@ ansi-regex@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
 
+ansi-regex@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-4.1.0.tgz#8b9f8f08cf1acb843756a839ca8c7e3168c51997"
+
 ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.2.1:
+ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
   dependencies:
@@ -1225,6 +1229,10 @@ camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+
 caniuse-api@^1.5.2:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.6.1.tgz#b534e7c734c4f81ec5fbe8aca2ad24354b962c6c"
@@ -1260,6 +1268,14 @@ chai-nightwatch@~0.1.x:
     assertion-error "1.0.0"
     deep-eql "0.1.3"
 
+chalk@2.4.2, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.4.1:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 chalk@^1.0.0, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
@@ -1270,14 +1286,6 @@ chalk@^1.0.0, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.4.1:
-  version "2.4.2"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
-  dependencies:
-    ansi-styles "^3.2.1"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.3.0"
-
 chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
@@ -1388,6 +1396,14 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
+cliui@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
+  dependencies:
+    string-width "^3.1.0"
+    strip-ansi "^5.2.0"
+    wrap-ansi "^5.1.0"
+
 clone@^1.0.2:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
@@ -1659,15 +1675,7 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-spawn@^5.0.1, cross-spawn@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
-  dependencies:
-    lru-cache "^4.0.1"
-    shebang-command "^1.2.0"
-    which "^1.2.9"
-
-cross-spawn@^6.0.0:
+cross-spawn@6.0.5, cross-spawn@^6.0.0:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   dependencies:
@@ -1677,6 +1685,14 @@ cross-spawn@^6.0.0:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+cross-spawn@^5.0.1, cross-spawn@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -1849,7 +1865,7 @@ debug@^3.1.0, debug@^3.2.5, debug@^3.2.6:
   dependencies:
     ms "^2.1.1"
 
-decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
+decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2, decamelize@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
@@ -1953,6 +1969,10 @@ destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
 
+detect-file@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-1.0.0.tgz#f0d66d03672a825cb1b73bdb3fe62310c8e552b7"
+
 detect-indent@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
@@ -2104,6 +2124,10 @@ elliptic@^6.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+emoji-regex@^7.0.1:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
+
 emojis-list@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
@@ -2118,6 +2142,14 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+enhanced-resolve@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz#41c7e0bfdfe74ac1ffe1e57ad6a5c6c9f3742a7f"
+  dependencies:
+    graceful-fs "^4.1.2"
+    memory-fs "^0.4.0"
+    tapable "^1.0.0"
+
 enhanced-resolve@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
@@ -2474,6 +2506,12 @@ expand-brackets@^2.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+expand-tilde@^2.0.0, expand-tilde@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
+  dependencies:
+    homedir-polyfill "^1.0.1"
+
 express@^4.16.2:
   version "4.16.4"
   resolved "https://registry.yarnpkg.com/express/-/express-4.16.4.tgz#fddef61926109e24c515ea97fd2f1bdbf62df12e"
@@ -2695,6 +2733,15 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+findup-sync@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^4.0.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
 flat-cache@^1.2.1:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.4.tgz#2c2ef77525cc2929007dfffa1dd314aa9c9dee6f"
@@ -2824,6 +2871,10 @@ get-caller-file@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
 
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+
 get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
@@ -2884,6 +2935,38 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.1.2, glob@^7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+global-modules@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-2.0.0.tgz#997605ad2345f27f51539bea26574421215c7780"
+  dependencies:
+    global-prefix "^3.0.0"
+
+global-modules@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-1.0.0.tgz#6d770f0eb523ac78164d72b5e71a8877265cc3ea"
+  dependencies:
+    global-prefix "^1.0.1"
+    is-windows "^1.0.1"
+    resolve-dir "^1.0.0"
+
+global-prefix@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-1.0.2.tgz#dbf743c6c14992593c655568cb66ed32c0122ebe"
+  dependencies:
+    expand-tilde "^2.0.2"
+    homedir-polyfill "^1.0.1"
+    ini "^1.3.4"
+    is-windows "^1.0.1"
+    which "^1.2.14"
+
+global-prefix@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-3.0.0.tgz#fc85f73064df69f50421f47f883fe5b913ba9b97"
+  dependencies:
+    ini "^1.3.5"
+    kind-of "^6.0.2"
+    which "^1.3.1"
+
 globals@^11.0.1, globals@^11.1.0:
   version "11.11.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.11.0.tgz#dcf93757fa2de5486fbeed7118538adf789e9c2e"
@@ -3043,6 +3126,12 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
+homedir-polyfill@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
+  dependencies:
+    parse-passwd "^1.0.0"
+
 hosted-git-info@^2.1.4:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
@@ -3212,7 +3301,7 @@ import-from@^2.1.0:
   dependencies:
     resolve-from "^3.0.0"
 
-import-local@^2.0.0:
+import-local@2.0.0, import-local@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/import-local/-/import-local-2.0.0.tgz#55070be38a5993cf18ef6db7e961f5bee5c5a09d"
   dependencies:
@@ -3246,7 +3335,7 @@ inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
-ini@~1.3.0:
+ini@^1.3.4, ini@^1.3.5, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
 
@@ -3276,7 +3365,7 @@ internal-ip@^4.2.0:
     default-gateway "^4.0.1"
     ipaddr.js "^1.9.0"
 
-interpret@^1.0.0:
+interpret@1.2.0, interpret@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
 
@@ -3476,7 +3565,7 @@ is-url@^1.2.2:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/is-url/-/is-url-1.2.4.tgz#04a4df46d28c4cff3d73d01ff06abeb318a1aa52"
 
-is-windows@^1.0.2:
+is-windows@^1.0.1, is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
 
@@ -3685,6 +3774,14 @@ loader-runner@^2.3.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
 
+loader-utils@1.2.3, loader-utils@^1.0.2, loader-utils@^1.1.0:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
+  dependencies:
+    big.js "^5.2.2"
+    emojis-list "^2.0.0"
+    json5 "^1.0.1"
+
 loader-utils@^0.2.16:
   version "0.2.17"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
@@ -3694,14 +3791,6 @@ loader-utils@^0.2.16:
     json5 "^0.5.0"
     object-assign "^4.0.1"
 
-loader-utils@^1.0.2, loader-utils@^1.1.0:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
-  dependencies:
-    big.js "^5.2.2"
-    emojis-list "^2.0.0"
-    json5 "^1.0.1"
-
 locate-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -3951,7 +4040,7 @@ methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
 
-micromatch@^3.1.10, micromatch@^3.1.4:
+micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   dependencies:
@@ -4474,7 +4563,7 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
-os-locale@^3.0.0:
+os-locale@^3.0.0, os-locale@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-3.1.0.tgz#a802a6ee17f24c10483ab9935719cef4ed16bf1a"
   dependencies:
@@ -4607,6 +4696,10 @@ parse-json@^4.0.0:
     error-ex "^1.3.1"
     json-parse-better-errors "^1.0.1"
 
+parse-passwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
+
 parseurl@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
@@ -5424,6 +5517,10 @@ require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
 
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+
 require-uncached@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -5441,6 +5538,13 @@ resolve-cwd@^2.0.0:
   dependencies:
     resolve-from "^3.0.0"
 
+resolve-dir@^1.0.0, resolve-dir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
+  dependencies:
+    expand-tilde "^2.0.0"
+    global-modules "^1.0.0"
+
 resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
@@ -5933,6 +6037,14 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string-width@^3.0.0, string-width@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
+  dependencies:
+    emoji-regex "^7.0.1"
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^5.1.0"
+
 string_decoder@^1.0.0, string_decoder@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.2.0.tgz#fe86e738b19544afe70469243b2a1ee9240eae8d"
@@ -5961,6 +6073,12 @@ strip-ansi@^4.0.0:
   dependencies:
     ansi-regex "^3.0.0"
 
+strip-ansi@^5.0.0, strip-ansi@^5.1.0, strip-ansi@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
+  dependencies:
+    ansi-regex "^4.1.0"
+
 strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
@@ -5979,6 +6097,12 @@ supports-color@3.1.2:
   dependencies:
     has-flag "^1.0.0"
 
+supports-color@6.1.0, supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  dependencies:
+    has-flag "^3.0.0"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -6001,12 +6125,6 @@ supports-color@^5.3.0, supports-color@^5.4.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
-  dependencies:
-    has-flag "^3.0.0"
-
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
@@ -6034,6 +6152,10 @@ tapable@^0.2.7:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.9.tgz#af2d8bbc9b04f74ee17af2b4d9048f807acd18a8"
 
+tapable@^1.0.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
+
 tar@^4:
   version "4.4.8"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
@@ -6335,6 +6457,10 @@ uuid@^3.0.1, uuid@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
 
+v8-compile-cache@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.0.3.tgz#00f7494d2ae2b688cfe2899df6ed2c54bef91dbe"
+
 validate-npm-package-license@^3.0.1:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
@@ -6458,6 +6584,22 @@ webpack-bundle-analyzer@^2.9.0:
     opener "^1.4.3"
     ws "^4.0.0"
 
+webpack-cli@^3.3.7:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.7.tgz#77c8580dd8e92f69d635e0238eaf9d9c15759a91"
+  dependencies:
+    chalk "2.4.2"
+    cross-spawn "6.0.5"
+    enhanced-resolve "4.1.0"
+    findup-sync "3.0.0"
+    global-modules "2.0.0"
+    import-local "2.0.0"
+    interpret "1.2.0"
+    loader-utils "1.2.3"
+    supports-color "6.1.0"
+    v8-compile-cache "2.0.3"
+    yargs "13.2.4"
+
 webpack-dev-middleware@^3.5.1:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.6.1.tgz#91f2531218a633a99189f7de36045a331a4b9cd4"
@@ -6568,7 +6710,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.2.9, which@^1.3.0:
+which@^1.2.14, which@^1.2.9, which@^1.3.0, which@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   dependencies:
@@ -6609,6 +6751,14 @@ wrap-ansi@^2.0.0:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"
 
+wrap-ansi@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"
+  dependencies:
+    ansi-styles "^3.2.0"
+    string-width "^3.0.0"
+    strip-ansi "^5.0.0"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -6666,6 +6816,13 @@ yargs-parser@^10.1.0:
   dependencies:
     camelcase "^4.1.0"
 
+yargs-parser@^13.1.0:
+  version "13.1.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs-parser@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
@@ -6689,6 +6846,22 @@ yargs@12.0.2:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^10.1.0"
 
+yargs@13.2.4:
+  version "13.2.4"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.2.4.tgz#0b562b794016eb9651b98bd37acf364aa5d6dc83"
+  dependencies:
+    cliui "^5.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    os-locale "^3.1.0"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.1.0"
+
 yargs@^8.0.2:
   version "8.0.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"