First commit

Dockerfile

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+# Use the latest alpine ISO
+FROM alpine:latest
+
+# Copy the static xcookie file and add the start-firefox.sh script
+COPY xcookie /tmp/ 
+ADD start-firefox.sh / 
+RUN chmod +x /start-firefox.sh
+
+# Add the necessary packages
+# alsa-utils: for sound
+# xauth: to insert the host's X11 cookie on the container
+# firefox: our browser
+# ttf-liberation: so we have fonts in FX
+RUN apk add alsa-utils xauth firefox ttf-liberation
+
+# Create a user and group firefox. Add the user to groups firefox; audio; video.
+RUN adduser firefox -D ; addgroup firefox firefox ; addgroup firefox audio ; addgroup firefox video
+
+# Create the asoundrc on the newly created user and insert the X11 cookie
+RUN su -c 'echo -e "defaults.pcm.card 1;\ndefaults.pcm.device 0;\ndefaults.ctl.card 1;" > ~/.asoundrc' firefox
+RUN su -c "xauth add $(cat /tmp/xcookie)" firefox
+
+# Start the thingz
+CMD [ "/bin/sh", "/start-firefox.sh" ]

README.txt

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+# 0) This setup is intended for Desktop use by your local user and not root.
+# It will spawn a docker container that will use your Xsession to run the firefox browser
+# Your user is assumed to have permission to run and build containers
+
+# 1) Go into the source directory of this app 'firefox' and copy it into your docker environment:
+# You can use your own path but will need to adjust the below lines and any affected dependant files accordingly
+$ cp . /var/lib/docker/configs/firefox/
+$ cd /var/lib/docker/configs/firefox/
+
+# 2) Configure the host environment for the container before starting it
+# Run 'xauth list' on the Docker host as the user that will run the container (not root, unless root runs X on your system)
+# Copy the whole line that was produced by the above command and save it into the xcookie in the source directory of this app
+
+# 3) Build your container
+$ docker build -t . firefox 
+
+# 4) Create the below directories within /var/lib/docker/configs/pass/data
+# If using a different path to store your containers configurations and data files you will need to modify the paths in the 'firefox-container' script too
+$ mkdir -p /var/lib/docker/configs/pass/data/{cache,mozilla}
+# Create a directory to keep the downloads of your container locally:
+$ mkdir -p /home/$USER/Downloads/firefox-container
+
+# 5) Start your container with:
+$ firefox-container
+
+# 6) Optionally you can move the start-pass script somewhere inside of your path
+$ sudo cp firefox-container /usr/loca/bin
+$ sudo chmod -v 0755 /usr/loca/bin/firefox-container

firefox-container

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+docker run --rm -it \
+	--net=host \
+	-v /tmp/.X11-unix \
+	-v /home/$USER/Downloads/firefox-container:/home/firefox/Downloads \
+	-v /var/lib/docker/configs/firefox/data/cache:/home/firefox/.cache \
+	-v /var/lib/docker/configs/firefox/data/mozilla:/home/firefox/.mozilla \
+	-e DISPLAY=$DISPLAY \
+	--device=/dev/snd \
+	firefox

start-firefox.sh

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+#!/bin/sh
+chgrp -R audio /dev/snd
+su -c "firefox" firefox

xcookie

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+
+