index.ts

/**
 * Bootstrap your app
 */

import Promise from 'bluebird';
import mongoose from 'mongoose';
import config from './server/config';
import Express from './server/config/express';

/**
 * Promisify All The Mongoose
 * @param mongoose
 */
Promise.promisifyAll(mongoose);

/**
 * Connecting Mongoose
 * @param uris
 * @param options
 */
mongoose.connect(config.db, {
  bufferMaxEntries: 0,
  keepAlive: true,
  reconnectInterval: 500,
  reconnectTries: 30,
  socketTimeoutMS: 0,
  useNewUrlParser: true,
  useUnifiedTopology: true
});

/**
 * Throw error when not able to connect to database
 */
mongoose.connection.on('error', () => {
  throw new Error(`unable to connect to database: ${config.db}`);
});

/**
 * Mongodb connected to database
 */
mongoose.connection.once('open', () => {
  console.log('🚀 Connected to mongo database');
});

/**
 * Initialize Express
 */
const ExpressServer = new Express();
ExpressServer.init();

/**
 * Listen to port
 */
ExpressServer.httpServer.listen(process.env.PORT || config.port, () => {
  console.log(`🚀 Server ready at ${config.port}`);
  console.log(
    `🚀 Server ready at http://localhost:${config.port}${ExpressServer.server.graphqlPath}`
  );
  console.log(
    `🚀 Subscriptions ready at ws://localhost:${config.port}${ExpressServer.server.subscriptionsPath}`
  );
});