From 94cff507b74b12911ce35a40b9944fa6719f533d Mon Sep 17 00:00:00 2001
From: DCsunset <dcsunset@protonmail.com>
Date: Sat, 1 Feb 2020 21:20:10 -0800
Subject: [PATCH] feat: add ubuntu-vnc

---
 Dockerfile                         | 17 ++++++++
 README.md                          | 65 ++++++++++++++++++++++++++++++
 config/chromium-WebBrowser.desktop | 10 +++++
 config/helpers.rc                  |  2 +
 start.sh                           | 14 +++++++
 5 files changed, 108 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 README.md
 create mode 100644 config/chromium-WebBrowser.desktop
 create mode 100644 config/helpers.rc
 create mode 100755 start.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..199029d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,17 @@
+ARG VERSION
+
+FROM ubuntu:${VERSION:-latest}
+LABEL MAINTAINER="DCsunset"
+
+RUN apt-get update && \
+	DEBIAN_FRONTEND=noninteractive apt-get install -yq xfce4 xfce4-goodies \
+	tigervnc-standalone-server \
+	chromium-browser vim
+
+COPY ./config/helpers.rc /root/.config/xfce4/
+COPY ./config/chromium-WebBrowser.desktop /root/.local/share/xfce4/helpers/
+COPY ./start.sh /
+
+EXPOSE 5900 80
+
+CMD [ "/start.sh" ]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..0535f4f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,65 @@
+# docker-ubuntu-vnc
+
+An Ubuntu docker image to provide VNC access to
+Xfce desktop environment.
+
+## Usage
+
+```
+docker run -d -p 5900:5900 -e VNC_PASSWD=password dcsunset/ubuntu-vnc
+```
+
+If `VNC_PASSWD` is not set,
+then the security type of vncserver is set to None,
+it is **insecure** when exposing the container on the Internet.
+
+## Exposed ports
+
+* 5900: Used for VNC interface
+
+## Installed applications
+
+To make the image lightweight,
+only the following applications are installed by default:
+
+* Xfce desktop
+* TigerVNC server
+* 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:
+
+```
+docker build -t ubuntu-vnc .
+```
+
+Or specify a version:
+
+```
+docker build --build-arg VERSION=18.04 -t ubuntu-vnc .
+```
diff --git a/config/chromium-WebBrowser.desktop b/config/chromium-WebBrowser.desktop
new file mode 100644
index 0000000..db095b9
--- /dev/null
+++ b/config/chromium-WebBrowser.desktop
@@ -0,0 +1,10 @@
+[Desktop Entry]
+NoDisplay=true
+Version=1.0
+Encoding=UTF-8
+Type=X-XFCE-Helper
+X-XFCE-Category=WebBrowser
+X-XFCE-CommandsWithParameter=chromium-browser --no-sandbox "%s"
+Icon=chromium-browser
+Name=chromium-browser
+X-XFCE-Commands=chromium-browser --no-sandbox
diff --git a/config/helpers.rc b/config/helpers.rc
new file mode 100644
index 0000000..3c3af3e
--- /dev/null
+++ b/config/helpers.rc
@@ -0,0 +1,2 @@
+TerminalEmulator=xfce4-terminal
+WebBrowser=chromium-WebBrowser
diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..99a007e
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+umask 0077                # use safe default permissions
+mkdir -p "$HOME/.vnc"     # create config directory
+chmod go-rwx "$HOME/.vnc" # enforce safe permissions
+
+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
+fi
+