We're going to follow https://zero-to-nix.com
Nix quickstart guide to get the basics in place
# Building the image locally
docker build -t nix-on-docker nix-on-docker
# Test if the image works
docker run -it nix-on-docker nix run nixpkgs#ponysay -- "Hi"
# Run an interactive bash shell(if you close the shell the nix cache will be nvalidated so recommended to work in this shell for the workshop)
docker run -it nix-on-docker bash