gluestick/flake.nix

{
  description =
    "NotNet's one stop shop for authentication and account onboarding";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    let
      packages = flake-utils.lib.eachDefaultSystem (system:
        let
          pkgs = nixpkgs.legacyPackages."${system}";

          # I really cannot be assed to pick this apart
          inputs = with pkgs; [ vips pkg-config python3 ];

          # https://github.com/prisma/prisma/issues/3026#issuecomment-927258138
          prismaHook = with pkgs; ''
            export PRISMA_MIGRATION_ENGINE_BINARY="${prisma-engines}/bin/migration-engine"
            export PRISMA_QUERY_ENGINE_BINARY="${prisma-engines}/bin/query-engine"
            export PRISMA_QUERY_ENGINE_LIBRARY="${prisma-engines}/lib/libquery_engine.node"
            export PRISMA_INTROSPECTION_ENGINE_BINARY="${prisma-engines}/bin/introspection-engine"
            export PRISMA_FMT_BINARY="${prisma-engines}/bin/prisma-fmt"
          '';
        in rec {
          packages.gluestick = pkgs.buildNpmPackage {
            pname = "gluestick";
            version = "0.1.0";
            src = ./.;
            npmDepsHash = "sha256-keOreamXKunlJzU2AKJo0J02ZxQrjLdoCIMCaiwEU4Y=";

            nativeBuildInputs = inputs;
            buildInputs = inputs;

            preBuild = ''
              ${prismaHook}

              # Use the introspection.json, because we can't connect to the API at build time
              GRAPHQL_USE_INTROSPECTION=true npm run graphql-codegen
              npm run prisma-generate
            '';

            installPhase = ''
              runHook preInstall

              mkdir -p $out
              cp -r .next/standalone $out/server
              cp -r .next/static $out/server/.next/static
              cp -r public $out/server/public
              cp -r prisma $out/prisma

              mkdir -p $out/bin
              cat > $out/bin/gluestick <<EOF
              #!${pkgs.stdenv.shell}
              ${prismaHook}
              ${pkgs.nodejs}/bin/node $out/server/server.js \$@
              EOF
              chmod +x $out/bin/gluestick

              cat > $out/bin/prisma <<EOF
              #!${pkgs.stdenv.shell}
              ${prismaHook}

              ${pkgs.nodePackages.prisma}/bin/prisma \$@
              EOF
              chmod +x $out/bin/prisma

              runHook postInstall
            '';

            meta = with pkgs.lib; {
              description =
                "NotNet's one stop shop for authentication and account onboarding";
              homepage = "https://git.n2.pm/NotNet/gluestick";
              license = licenses.mit;
            };
          };

          apps.gluestick = flake-utils.lib.mkApp {
            name = "gluestick";
            drv = packages.gluestick;
          };

          devShell = pkgs.mkShell {
            inputsFrom = [ packages.gluestick ];

            shellHook = ''
              ${prismaHook}

              if [ -f .env.local ]; then
                set -a
                source .env.local
                set +a
              fi
            '';
          };
        });
    in packages // {
      nixosModule = { config, lib, pkgs, ... }:
        with lib;
        let
          cfg = config.services.gluestick;
          pkg = self.packages.${pkgs.system}.gluestick;
        in {
          options.services.gluestick = {
            enable = mkEnableOption "gluestick";

            user = mkOption {
              type = types.str;
              default = "gluestick";
            };

            group = mkOption {
              type = types.str;
              default = "gluestick";
            };

            port = mkOption {
              type = types.int;
              default = 3000;
            };

            envFile = mkOption {
              type = types.path;
              default = "/var/lib/gluestick/.env.local";
            };

            databaseFile = mkOption {
              type = types.path;
              default = "/var/lib/gluestick/database.db";
            };
          };

          config = mkIf cfg.enable {
            systemd.services.gluestick = {
              description = "gluestick";
              wantedBy = [ "multi-user.target" ];
              after = [ "network.target" ];

              preStart = ''
                export DATABASE_URL="file:${cfg.databaseFile}"
                ${pkg}/bin/prisma migrate deploy --schema=${pkg}/prisma/schema.prisma
              '';

              script = ''
                export PORT=${toString cfg.port}
                export NODE_ENV=production
                export DATABASE_URL="file:${cfg.databaseFile}"
                ${pkg}/bin/gluestick
              '';

              serviceConfig = {
                User = cfg.user;
                Group = cfg.group;
                Restart = "always";
                WorkingDirectory = "/var/lib/gluestick";
                EnvironmentFile = cfg.envFile;
              };
            };

            users = {
              users = mkIf (cfg.user == "gluestick") {
                gluestick = {
                  home = "/var/lib/gluestick";
                  createHome = true;
                  group = cfg.group;
                  isSystemUser = true;
                };
              };

              groups = mkIf (cfg.group == "gluestick") { gluestick = { }; };
            };
          };
        };
    };
}