app.js

"use strict";
import dotenv from "dotenv";
import AutoLoad from "@fastify/autoload";
import cors from "@fastify/cors";
import bearerAuthPlugin from "@fastify/bearer-auth";
import fastifyView from "@fastify/view";
import qs from "qs";
import path from "path";
import { fileURLToPath } from "url";
import Ejs from "ejs";
import Formbody from "@fastify/formbody";
import Firebase from "@now-ims/fastify-firebase";
import Fastify from "fastify";

dotenv.config();

// Pass --options via CLI arguments in command to enable these options.
const options = {};

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const port = process.env.PORT || 4040;
const host = "RENDER" in process.env ? `0.0.0.0` : `localhost`;

const fastify = Fastify({
  logger: true,
});

const keys = new Set(["Authorization"]);

fastify.register(AutoLoad, {
  dir: path.join(__dirname, "plugins"),
  options: Object.assign({}, options),
});

fastify.register(Formbody, {
  parser: (str) => qs.parse(str),
});

fastify.register(fastifyView, {
  engine: {
    ejs: Ejs,
    root: "templates",
  },
});
fastify.register(Firebase, {
  apiKey: process.env.FIREBASE_API_KEY,
  authDomain: process.env.FIREBASE_AUTH_DOMAIN,
  projectId: process.env.FIREBASE_PROJECT_ID,
  storageBucket: process.env.FIREBASE_STORAGE_BUCKET,
  messagingSenderId: process.env.FIREBASE_SENDER_ID,
  appId: process.env.FIREBASE_APP_ID,
  measurementId: process.env.FIREBASE_MEASUREMENT_ID,
  cert: {
    type: "service_account",
    project_id: process.env.FIREBASE_PROJECT_ID,
    private_key_id: process.env.FIREBASE_PRIVATE_KEY_ID,
    private_key: process.env.FIREBASE_PRIVATE_KEY,
    client_email: process.env.FIREBASE_CLIENT_EMAIL,
    client_id: process.env.FIREBASE_CLIENT_ID,
    auth_uri: "https://accounts.google.com/o/oauth2/auth",
    token_uri: "https://oauth2.googleapis.com/token",
    auth_provider_x509_cert_url: "https://www.googleapis.com/oauth2/v1/certs",
    client_x509_cert_url: process.env.FIREBASE_CLIENT_CERT_URL,
    universe_domain: "googleapis.com",
  },
});

fastify.register(cors, {
  origin: "*",
  methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
  allowedHeaders: ["Content-Type", "Authorization"],
});

// renable after splitting the routes into sensitive & non-sensitive
// https://github.com/fastify/fastify-bearer-auth/issues/27
// fastify.register(bearerAuthPlugin, {
//   keys,
//   errorResponse: (err) => {},
//   bearerType: "Bearer",
//   auth: () => true,
// });

// API routes... always load last
fastify.register(AutoLoad, {
  dir: path.join(__dirname, "routes"),
  options: Object.assign({}, options),
});

fastify.listen({ host, port }, function (err, address) {
  if (err) {
    fastify.log.error(err);
    process.exit(1);
  }
});