text: var app = require("express")();
  var http = require("http").createServer(app);
  var io = require("socket.io")(http);
  
  var port = process.env.PORT || 8080;
  
  app.get("/", (req, res) => {
      res.send("<h1>Hello</h1>");
  });
  
  io.on("connection", (socket) => {
      console.log("User connected")
  
      socket.emit("message", "Hello")
  
      socket.on("disconnect", () => {
        console.log("User disconnected")
      })
  
      // Receives a message
      socket.on("message", (content) => {
        console.log("Got a message, now sending it on!", content)
        socket.broadcast.emit("message", content);
      })
  });
  
  http.listen(port, () => {
      console.log("Hi");
  });
  