nix support for emacs' config

[bbigras]

Some nix users are using programs.emacs to configure emacs. It would be nice to be able to support it, so people could use the same emacs config that on their other machines.

In my case, I would like to be able to use the emacs-int home-manager module, so I could configure emacs like this: https://github.com/bbigras/nix-config/blob/1918b24299962feaca5e0006764871e1362fca44/users/bbigras/dev/emacs.nix

[yyoncho]

ATM gitpod supports ubuntu/debian based docker images. As long as this can run on top of them, then it is possible. I am not very familiar with nix stuff. @ericdallo, any thoughts?

[ericdallo]

@yyoncho it's possible to install home-manager (a Nix program to install/setup nix derivations for a user) on debian baseds, it should work I think

[yyoncho]

Based on @ericdallo the solution is:

1. Create a new docker image based on yyoncho/gitpod-default . Use your nix files on it and use home-manager
2. Push your docker image in docker hub
3. Then in your dot files repo place

.gitpod.Dockerfile
.gitpod.yml

and fix .gitpod.Dockerfile to point to the image that you have created.

[ericdallo]

If that works we can later think in more user friendly way, but that looks enough for now

[yyoncho]

This is the best way. Otherwise, you will have to wait for the installation and configuration process when you start the workspace... What we can provide is a template, like put your nix config then do this and that.