{
  lib,
  buildGoModule,
  ...
}:
buildGoModule {
  name = "go-copilot-proxy";
  src =
    # filter everything except for cmd/, internal/ and go.mod, go.sum
    with lib.fileset;
      toSource {
        root = ./.;
        fileset = unions [
          ./cmd
          ./internal
          ./go.mod
          ./go.sum
        ];
      };
  subPackages = ["cmd/go-copilot-proxy"];
  vendorHash = "sha256-/+6NnofnE3IrtUbHJrgDE2VFK6Gj40rodtE/42LvPMk=";
  meta.mainProgram = "go-copilot-proxy";
}