feat: add noVNC

Dockerfile

@@ -3,15 +3,40 @@ ARG VERSION
 FROM ubuntu:${VERSION:-latest}
 LABEL MAINTAINER="DCsunset"
 
-RUN apt-get update && \
+ENV noVNC_version=1.1.0
-	DEBIAN_FRONTEND=noninteractive apt-get install -yq xfce4 xfce4-goodies \
+ENV websockify_version=0.9.0
+
+# Local debug
+#COPY ./sources.list /etc/apt/
+#COPY ./websockify-${websockify_version}.tar.gz /websockify.tar.gz
+#COPY ./noVNC-${noVNC_version}.tar.gz /noVNC.tar.gz
+
+# Install apps
+RUN apt-get update \
+	&& DEBIAN_FRONTEND=noninteractive apt-get install -yq xfce4 xfce4-goodies \
 	tigervnc-standalone-server \
-	chromium-browser vim
+	chromium-browser vim \
+	python3-numpy python3-setuptools \
+	&& rm -rf /var/lib/apt/lists/*
+
+# Install noVNC
+RUN wget https://github.com/novnc/websockify/archive/v${websockify_version}.tar.gz -O /websockify.tar.gz \
+	tar -xvf /websockify.tar.gz -C / \
+	&& cd /websockify-${websockify_version} \
+	&& python3 setup.py install \
+	&& cd / && rm -r /websockify.tar.gz /websockify-${websockify_version} \
+	&& wget https://github.com/novnc/noVNC/archive/v${noVNC_version}.tar.gz -O /noVNC.tar.gz \
+	&& tar -xvf /noVNC.tar.gz -C / \
+	&& cd /noVNC-${noVNC_version} \
+	&& ln -s vnc.html index.html \
+	&& rm /noVNC.tar.gz
 
 COPY ./config/helpers.rc /root/.config/xfce4/
 COPY ./config/chromium-WebBrowser.desktop /root/.local/share/xfce4/helpers/
 COPY ./start.sh /
 
-EXPOSE 5900 80
+WORKDIR /root
+
+EXPOSE 5900 6080
 
 CMD [ "/start.sh" ]

README.md

@@ -16,6 +16,7 @@ it is **insecure** when exposing the container on the Internet.
 ## Exposed ports
 
 * 5900: Used for VNC interface
+* 6080: Used for noVNC Web UI
 
 ## Installed applications
 
@@ -27,29 +28,6 @@ only the following applications are installed by default:
 * Vim
 * Chromium browser
 
-## Fonts
-
-If non-latin characters are not displayed well,
-install the font packs based on your needs.
-
-To install the Indian font pack:
-
-```
-sudo apt-get install fonts-indic
-```
-
-To install the CJK font pack:
-
-```
-sudo apt-get install fonts-noto-cjk
-```
-
-To install the international font pack:
-
-```
-sudo apt-get install fonts-noto
-```
-
 ## Build
 
 To use the latest Ubuntu image:
@@ -63,3 +41,33 @@ Or specify a version:
 ```
 docker build --build-arg VERSION=18.04 -t ubuntu-vnc .
 ```
+
+## FAQ
+
+### Fonts
+
+If non-latin characters are not displayed well,
+install the font packs based on your needs.
+
+To install the Indian font pack:
+
+```
+apt-get install fonts-indic
+```
+
+To install the CJK font pack:
+
+```
+apt-get install fonts-noto-cjk
+```
+
+To install the international font pack:
+
+```
+apt-get install fonts-noto
+```
+
+### Scaling
+
+By default, noVNC's scaling mode is set to None.
+It can be changed in the noVNC panel easily.

start.sh

@@ -4,11 +4,14 @@ umask 0077                # use safe default permissions
 mkdir -p "$HOME/.vnc"     # create config directory
 chmod go-rwx "$HOME/.vnc" # enforce safe permissions
 
+# Start TigerVNC
 if [ ! -z $VNC_PASSWD ]; then
 	vncpasswd -f <<< "$VNC_PASSWD" > "$HOME/.vnc/passwd"
 	vncserver -fg -localhost no :0
 else
 	vncpasswd -f <<< "" > "$HOME/.vnc/passwd"
-	vncserver -fg --I-KNOW-THIS-IS-INSECURE -SecurityTypes None -localhost no :0
+	vncserver --I-KNOW-THIS-IS-INSECURE -SecurityTypes None -localhost no :0
 fi
 
+# Start noVNC
+/noVNC-${noVNC_version}/utils/launch.sh