Docker with X Graphical browser chrome

Dockerfile

FROM ubuntu:16.04



RUN apt-get update && apt-get install -y chromium-browser
RUN export uid=1000 gid=1000 && \
    mkdir -p /home/user && \
    echo "user:x:${uid}:${gid}:User,,,:/home/user:/bin/bash" >> /etc/passwd && \
    echo "user:x:${uid}:" >> /etc/group && \
    echo "user ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers && \
    chown "${uid}:${gid}" -R /home/user

#    chmod 0440 /etc/sudoers.d/user && \

RUN apt install xauth
USER user
ENV HOME /home/user
CMD '/bin/bash'
#CMD ['chromium-browser', '--no-sandbox']

# docker build -t chromium .
# docker run --net=host --name chrome -it --rm -e DISPLAY=$DISPLAY -e XAUTHORITY=$XAUTHORITY -v $XDG_RUNTIME_DIR:$XDG_RUNTIME_DIR chromium