A basic working desktop that is browser/cloud accessible

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

Dockerfile

@@ -0,0 +1,20 @@
+FROM fedora:latest
+RUN dnf update -y --refresh && \
+    dnf install -y @xfce-desktop firefox thunderbird && \
+    dnf install -y tigervnc-server novnc net-tools git python-numpy && \
+    dnf clean all && \
+    git clone https://github.com/kanaka/websockify /usr/bin/websockify && \
+    adduser -m -u 1000 limited
+RUN echo -n limited | passwd --stdin limited
+COPY default-vncpasswd /
+COPY default-vncxstartup /
+COPY default-vncconfig /
+ENV PREFERRED="startxfce4"
+ENV HOME=/home/limited
+RUN chown -R limited /home/limited
+USER limited
+WORKDIR /home/limited
+VOLUME ["/home/limited"]
+EXPOSE 5900 6080
+COPY entrypoint.sh /entrypoint.sh
+ENTRYPOINT bash /entrypoint.sh

default-vncconfig

@@ -0,0 +1,9 @@
+## Supported server options to pass to vncserver upon invocation can be listed
+## in this file. See the following manpages for more: vncserver(1) Xvnc(1).
+## Several common ones are shown below. Uncomment and modify to your liking.
+##
+# securitytypes=vncauth,tlsvnc
+# desktop=sandbox
+# geometry=2000x1200
+# localhost
+# alwaysshared

default-vncpasswd

@@ -0,0 +1 @@
+pKя:<3A><><EFBFBD>

default-vncxstartup

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+unset SESSION_MANAGER
+unset DBUS_SESSION_BUS_ADDRESS
+. /etc/X11/xinit/xinitrc-common
+if [ -n "$PREFERRED" ] ; then
+  exec "$PREFERRED"
+else
+  exec startxfce4
+fi

entrypoint.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -e
+
+mkdir -p $HOME/.vnc
+if [ ! -f "$HOME/.vnc/passwd" ] ; then
+	cp -av /default-vncpasswd $HOME/.vnc/passwd
+	chmod 0600 $HOME/.vnc/passwd
+fi
+if [ ! -f "$HOME/.vnc/config" ] ; then
+	cp -av /default-vncconfig $HOME/.vnc/config
+fi
+if [ ! -f "$HOME/.vnc/xstartup" ] ; then
+	cp -av /default-vncxstartup $HOME/.vnc/xstartup
+	chmod +x $HOME/.vnc/xstartup
+fi
+
+vncserver :0 -name limited-desktop
+novnc_server ${1:"$@"}