nix_for_rustaceans/examples/nci/flake.nix

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    nci = {
      url = "github:yusdacra/nix-cargo-integration";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    flake-parts = {
      url = "github:hercules-ci/flake-parts";
      inputs.nixpkgs-lib.follows = "nixpkgs";
    };
  };
  outputs =
    inputs@{ flake-parts, nci, ... }:
    flake-parts.lib.mkFlake { inherit inputs; } {
      systems = [
        "x86_64-linux"
        "aarch64-linux"
        "aarch64-darwin"
        "x86_64-darwin"
      ];
      imports = [
        nci.flakeModule
        ./crates.nix
      ];
      perSystem =
        { pkgs, config, ... }:
        let
          crateName = "my-crate";
          crateOutputs = config.nci.outputs.${crateName};
        in
        {
          devShells.default = crateOutputs.devShell;
          packages.default = crateOutputs.packages.release;
          packages.container = pkgs.dockerTools.streamLayeredImage {
            name = crateName;
            tag = "latest";
            contents = [ ];
            config = {
              Cmd = [ "${crateOutputs.packages.release}/bin/my-crate" ];
            };
          };
        };
    };
}