let common = import ./common.nix; pkgs = import common.pkgsSrc {}; python-with-my-packages = pkgs.python3.withPackages (p: with p; [ minio ]); in pkgs.stdenv.mkDerivation { name = "backup-psql"; src = pkgs.lib.sourceFilesBySuffices ./. [ ".py" ]; buildInputs = [ python-with-my-packages pkgs.age pkgs.postgresql_14 ]; buildPhase = '' cat > backup-psql <