Declarative builds and deployments. Nix is a tool that takes a unique approach to package management and system configuration. Learn how to make reproducible, declarative and reliable systems. $ # Hi!$ # Wondering how to start using Nix?$ # Here are a few examples:$ node -e "console.log(1+1)"node: command not found$ # Interesting, no node on this machine$ # No problem with Nix!$ nix-shell -p nodejs(nix-shell) $ node -e "console.log(1+1)"2(nix-shell) $ # And now our environment has node.(nix-shel...