Add Socket.IO server

backend/src/index.ts

@@ -0,0 +1,54 @@
+import cors from 'cors';
+import dotenv from 'dotenv';
+import express from 'express';
+const app = express();
+
+dotenv.config();
+
+if (!process.env.API_PORT)
+  process.exit(1)
+
+// Start listening on port 5000
+app.listen(+process.env.API_PORT, () => console.log(`Server running on: ${process.env.CORS_HOST}:${process.env.API_PORT}`))
+
+// Middlewares
+app.use(express.json());
+app.use(cors({ origin: process.env.CORS_HOST }));
+
+// Register post route
+// app.post('/api/register', () => { });
+
+
+// - - - - -
+
+
+import { createServer } from "http";
+import { Server } from "socket.io";
+
+const ws = {
+  CORS: 'http://localhost:3000',
+  PORT: 5001
+}
+const serverOptions = {
+  cors: {
+    origin: ws.CORS // React frontend
+  }
+}
+
+const app2 = express();
+const httpServer = createServer(app2);
+const io = new Server(httpServer, serverOptions);
+httpServer.listen(ws.PORT);
+
+io.on("connection", (socket) => {
+  console.log(socket.id)
+  // console.log(socket)
+  // ...
+
+  socket.on("test", (payload) => {
+    console.log("Got test:", payload)
+    // ...
+  });
+  
+  socket.emit('test2', 'lol')
+});