"You got Firefox in my Docker!"

Dockerfile

FROM debian:latest
RUN apt-get update
RUN apt-get -y install iceweasel
ENV DISPLAY :0
CMD iceweasel

ff-docker

#!/bin/bash
SETUP_DIR=$HOME/bin/docker-firefox
XSOCK=/tmp/.X11-unix/X0

if [[ $@ == '--help' || $@ == "-h" ]]
then
    cat $SETUP_DIR/help.txt
else
    cd $SETUP_DIR
    if [[ $@ == "--build" || $@ == "-b" ]]
    then
        docker pull debian:latest
        docker build -t firefox - < $SETUP_DIR/Dockerfile
    fi

    xhost +localhost
    docker run -v $XSOCK:$XSOCK firefox
fi

help.txt

Firefox* in Docker
ff-docker [[--help|-h] [--build|-b]]
    -h or --help    Prints this help message
    -b or --build   Does a full build from scratch (necessary for first-time-use)
 
*Actually Iceweasel because it runs debian...