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zenika/alpine-chrome with X11

We are very familiar with running CLI processes in Docker containers with no Graphical UI at all. Here is an example using zenika/alpine-chrome with a X11 server

On MacOS

First, install the pre following this great article

Install socat

brew install socat
socat TCP-LISTEN:6000,reuseaddr,fork UNIX-CLIENT:\"$DISPLAY\"

Install Xquartz - a X11 server

brew cask install xquartz

Open Xquartz

open -a Xquartz

Activate the option ‘Allow connections from network clients’ in XQuartz settings. Quit & restart Xquartz.

One important thing to note is that after you have installed this is to log out and log back into OS X to get everything to work properly. Once that is done we can start Xquartz.

Launch

docker container run --rm -it -e DISPLAY=host.docker.internal:0 --cap-add=SYS_ADMIN --entrypoint "" zenika/alpine-chrome:with-webgl chromium-browser --disable-dev-shm-usage

Testing with xeyes

Launch this command to check your X11 setup:

docker container run --rm -it -e DISPLAY=host.docker.internal:0 gns3/xeyes

Troubleshooting

If you got this error:

[1:1:0507/061725.810254:ERROR:browser_main_loop.cc(1512)] Unable to open X display.

Then your X11 server might not be configured in your container.

References