{
  description = "Base Forgejo Actions Image builder";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    nix.url = "github:nixos/nix";
  };
  outputs = { nixpkgs, nix, self }:
    let pkgs = import nixpkgs { system = "x86_64-linux"; }; in {
      packages.x86_64-linux = rec {
        default = nix;
        minimal-nix = import (nix + "/docker.nix") {
          inherit pkgs;
          extraPkgs = [ pkgs.nodejs ];

          Labels = {
            "org.opencontainers.image.title" = "Nix (minimal)";
            "org.opencontainers.image.source" = "https://git.tami.moe/tamipes/forgejo-actions";
            "org.opencontainers.image.vendor" = "Tamipes";
            "org.opencontainers.image.version" = pkgs.nix.version;
            "org.opencontainers.image.description" = "Nix container image with nodejs";
          };
        };
        nix = import (nix + "/docker.nix") {
          inherit pkgs;
          extraPkgs = [ pkgs.nodejs pkgs.skopeo ];

          Labels = {
            "org.opencontainers.image.title" = "Nix";
            "org.opencontainers.image.source" = "https://git.tami.moe/tamipes/forgejo-actions";
            "org.opencontainers.image.vendor" = "Tamipes";
            "org.opencontainers.image.version" = pkgs.nix.version;
            "org.opencontainers.image.description" = "Nix container image with more cli tools";
          };
        };
      };
    };
}