dream2nix/examples/packages/languages/nodejs-local-development-nextjs/flake.nix

{
  # This example flake.nix is pretty generic and the same for all
  # examples, except when they define devShells or extra packages.
  description = "Dream2nix example flake";

  # We import the latest commit of dream2nix main branch and instruct nix to
  # re-use the nixpkgs revision referenced by dream2nix.
  # This is what we test in CI with, but you can generally refer to any
  # recent nixpkgs commit here.
  inputs = {
    dream2nix.url = "github:nix-community/dream2nix";
    nixpkgs.follows = "dream2nix/nixpkgs";
  };

  outputs = {
    self,
    dream2nix,
    nixpkgs,
  }: let
    # A helper that helps us define the attributes below for
    # all systems we care about.
    eachSystem = nixpkgs.lib.genAttrs [
      "aarch64-darwin"
      "aarch64-linux"
      "x86_64-darwin"
      "x86_64-linux"
    ];
  in {
    packages = eachSystem (system: {
      # For each system, we define our default package
      # by passing in our desired nixpkgs revision plus
      # any dream2nix modules needed by it.
      default = dream2nix.lib.evalModules {
        packageSets.nixpkgs = nixpkgs.legacyPackages.${system};
        modules = [
          # Import our actual package definiton as a dream2nix module from ./default.nix
          ./default.nix
          {
            # Aid dream2nix to find the project root. This setup should also works for mono
            # repos. If you only have a single project, the defaults should be good enough.
            paths.projectRoot = ./.;
            # can be changed to ".git" or "flake.nix" to get rid of .project-root
            paths.projectRootFile = "flake.nix";
            paths.package = ./.;
          }
        ];
      };
    });
  };
}