docker build with interactive GUI

docker build with interactive GUI

Some applications need some interaction during installation. Often it is possible to avoid this with command line options. In cases where this is not possible, x11docker allows to run an interactive GUI during docker build. Example:

• Dockerfile needs line ARG DISPLAY:

FROM x11docker/fvwm
ARG DISPLAY
RUN xterm

• Run an X server and note the shown DISPLAY variable. Here it is DISPLAY=172.17.0.1:30:

$ x11docker --xephyr --xoverip --no-auth --display=30 --xhost +
 DISPLAY=172.17.0.1:30 XDG_RUNTIME_DIR=/run/user/1000

• Build the docker image and provide DISPLAY:

docker build --build-arg DISPLAY=172.17.0.1:30 [...]

• Run your desired commands in the xterm window visible in X server Xephyr.