Eventually I think we should unify to use ENTRYPOINT for all our images in the future. Or do we have some reason to use ENTRYPOINT somewhere and CMD command elsewhere that I'm missing? 🤔

[jiridanek]

          Eventually I think we should unify to use ENTRYPOINT for all our images in the future. Or do we have some reason to use ENTRYPOINT somewhere and CMD command elsewhere that I'm missing? :thinking: 

https://www.docker.com/blog/docker-best-practices-choosing-between-run-cmd-and-entrypoint/

Note: again, not something to deal with in this PR.

Originally posted by @jstourac in #924 (comment)