Nix package manager Docker Image

This image contains an installation of the Nix package manager installed as a single-user nixuser.

This is based on the unpublished Dockerfile previously available at https://github.com/romcheck/nix.

Use this build to create your own customized images as follows:

FROM fretlink/nix

RUN nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs
RUN nix-channel --update

RUN nix-build -A pythonFull '<nixpkgs>'