index.js

require('dotenv').config();
const fs = require('fs');
const https = require('https');
const http = require('http');
const express = require('express');
const { ApolloServer } = require('apollo-server-express');
const { schema } = require('./schemas/');
const { authors, books } = require('./db');

const configurations = {
  // Note: You may need sudo to run on port 443
  production: { ssl: true, port: 443, hostname: 'example.com' },
  development: { ssl: false, port: 4000, hostname: 'localhost' }
};

const environment = process.env.NODE_ENV || 'development';
const config = configurations[environment];

const apollo = new ApolloServer({
  schema,

  // here we can attach things like dbs so that resolvers can use them
  context: ({ req }) => ({
    authors,
    books
  })
  // mockEntireSchema: true
});

const app = express();
apollo.applyMiddleware({ app });

// Create the HTTPS or HTTP server, per configuration
let server;
if (config.ssl) {
  // Assumes certificates are in .ssl folder from package root. Make sure
  // the files are secured.
  server = https.createServer(
    {
      key: fs.readFileSync(`./ssl/${environment}/server.key`),
      cert: fs.readFileSync(`./ssl/${environment}/server.crt`)
    },
    app
  );
} else {
  server = http.createServer(app);
}

// Add subscription support
apollo.installSubscriptionHandlers(server);

server.listen({ port: config.port }, () =>
  console.log(
    '🚀 Server ready at',
    `http${config.ssl ? 's' : ''}://${config.hostname}:${config.port}${
      apollo.graphqlPath
    }`
  )
);