Add dockerfile

dockerfile

@@ -0,0 +1,12 @@
+FROM node:16
+
+WORKDIR /docker
+
+COPY package.json ./
+COPY yarn.lock ./
+
+RUN yarn
+
+COPY . .
+
+CMD ["node", "index.js"]

index.js

@@ -1,12 +1,12 @@
-const fs = require('fs');
-const https = require('https');
-const express = require('express');
-const socketio = require('socket.io');
+const fs = require("fs");
+const https = require("https");
+const express = require("express");
+const socketio = require("socket.io");
 const app = express();
 
 const https_options = {
-    key: fs.readFileSync('./privkey.pem'),
-    cert: fs.readFileSync('./fullchain.pem'),
+    key: fs.readFileSync("./privkey.pem"),
+    cert: fs.readFileSync("./fullchain.pem"),
     requestCert: false,
     rejectUnauthorized: false
 }
@@ -33,8 +33,6 @@ io.on("connection", (client) => {
     io.sockets.emit("update-count", {value: usersConnected});
 });  
 
-app.use(express.static("src"));
-
 server.listen(3000, () => {
     console.log("Server started on port 3000");
 });