server.js

#!/usr/bin/env node

/*
 * Copyright 2021 Tyro Payments Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


const process = require('process');
const {websocket} = require("./sockets");
const app = require("./app");
const http = require("http");

process.on('SIGINT', () => {
    console.info("")
    console.info("Stopping...")
    process.exit(0)
});

let port = (process.env.PORT) || '4001';
console.log("Starting on port: " + port)
app.set(port);

const server = http.createServer(app);
const io = require("socket.io")(server, {
    origins: ["*"],
    methods: ["GET", "POST"],
});

io.on("connection", websocket)

server.listen(port);