Docker support

[storrisi]

I'm new to this project and I love it so much already.

Would be awesome to have a docker-compose file in order to start the environment (postgres and so on) and deploy it easily on a server.

[pumfleet]

Sure, we have a couple of people who are working on that.

[gonrial]

Check #7

[alexanderadam]

Check #7

Great. After this is merged, images should be build and pushed to docker hub (maybe via GH actions?).

[PeerRich]

hey hey, we've launched unofficial docker support: https://github.com/calendso/calendso-docker