Please help me understand docker GUIs.

[Firedrops]

Thank you for your 'rambles' and examples, they were great to get started with. I have been using your jess/chrome to try stuff. It works by itself. However, a lot of things weren't explained.

1. Besides the parameters tacked onto docker run, are there specific things you need to install/configure in the dockerfile to enable the GUI functionality?

2. If I wish to adapt it such that the docker runs in the terminal window as usual, and at a point when the user wishes, analogous to how a lay-user decides when to open chrome by clicking on it manually, how can I do that? /bin/bash -c "google-chrome" returns

[8459:8459:0803/034050.015830:ERROR:zygote_host_impl_linux.cc(89)] Running as root without --no-sandbox is not supported. See https://crbug.com/638180.

is this an error specific to chrome?

My end goal is to have R/R-studio and Circos usable in a docker container, opening a GUI window when used. I have already found a resource that gives R an interface through the browser, but haven't found something like that for Circos. Is this a feasible task?

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[mviereck]

Besides the parameters tacked onto docker run, are there specific things you need to install/configure in the dockerfile to enable the GUI functionality?

Basically no. GPU acceleration depends on MESA or NVIDIA drivers in image.

For some insight have a look at https://github.com/mviereck/x11docker/wiki#howtos-for-custom-setups-without-x11docker for some xplanations how to set up and run GUI containers.

My end goal is to have R/R-studio and Circos usable in a docker container, opening a GUI window when used.

You can use x11docker with option --interactive. That allows you to run terminal commands in container as usual and also run a GUI in this container with its terminal command.