Install Nix by following the instructions at https://nix.dev/install-nix
Install GitHub CLI by following the instructions at https://github.com/cli/cli?tab=readme-ov-file#installation
gh repo clone snothub/crossplane-demo
cd crossplane-demo
nix-shell --run $SHELL
chmod +x controller/*
./controller/00-intro.sh
source .env