# 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" ]