diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..fe8d1d76
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,119 @@
+# Custom
+.vscode/
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
diff --git a/README.md b/README.md
index 9f462e43..8cd99087 100644
--- a/README.md
+++ b/README.md
@@ -7,5 +7,5 @@ A simple and (hopefully) to-the-point tutorial to build your first group-chat ap
 Run the program by using
 
 ```shell
-$ node index.js
+node index.js
 ```
diff --git a/config.json b/config.json
new file mode 100644
index 00000000..c4048f20
--- /dev/null
+++ b/config.json
@@ -0,0 +1,7 @@
+{
+    "websocket": {
+        "protocol": "http://",
+        "host": "localhost",
+        "port": 44331
+    }
+}
\ No newline at end of file
diff --git a/index.js b/index.js
index 8e9febf1..2038b0de 100644
--- a/index.js
+++ b/index.js
@@ -1,28 +1,42 @@
+// modules
 const express = require('express');
 const app = express();
 const http = require('http').Server(app);
 const io = require('socket.io')(http);
 
+// config
+const ws_cfg = require('./config.json').websocket;
+
+// routes
 app.get('/', function(req, res) {
-    res.render('index.ejs');
+    res.render('index.ejs', {
+        ws_prot: ws_cfg.protocol,
+        ws_host: ws_cfg.host,
+        ws_port: ws_cfg.port
+    });
 });
 
+// sockets
 io.sockets.on('connection', function(socket) {
     socket.on('username', function(username) {
         socket.username = username;
-        io.emit('is_online', '🔵 <i>' + socket.username + ' join the chat..</i>');
+        io.emit('is_online', '🔵 <i>' + socket.username + ' join the chat..</i>', socket.username);
     });
 
-    socket.on('disconnect', function(username) {
-        io.emit('is_online', '🔴 <i>' + socket.username + ' left the chat..</i>');
+    socket.on('disconnect', function() {
+        io.emit('is_online', '🔴 <i>' + socket.username + ' left the chat..</i>', socket.username);
     })
 
     socket.on('chat_message', function(message) {
-        io.emit('chat_message', '<strong>' + socket.username + '</strong>: ' + message);
+        io.emit('chat_message', '<strong>' + socket.username + '</strong>: ' + message, socket.username, message);
     });
 
+    socket.on('is_typing', function() {
+        io.emit('is_typing', '<small><i><u>' + socket.username + ' typing... </u></i></small>', socket.username);
+    });
 });
 
-const server = http.listen(8080, function() {
-    console.log('listening on *:8080');
+// initialize the server
+const server = http.listen(ws_cfg.port, ws_cfg.host, function() {
+    console.log(`Sever listening on => ${ws_cfg.host}:${ws_cfg.port}`);
 });
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index c72f16df..9bb3d78f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,16 +1,807 @@
 {
   "name": "node-simple-group-chat",
-  "version": "1.0.0",
-  "lockfileVersion": 1,
+  "version": "1.1.0",
+  "lockfileVersion": 2,
   "requires": true,
+  "packages": {
+    "": {
+      "name": "node-simple-group-chat",
+      "version": "1.1.0",
+      "license": "ISC",
+      "dependencies": {
+        "ejs": "^2.7.4",
+        "express": "^4.17.1",
+        "socket.io": "^2.4.1"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
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+      "dependencies": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/after": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
+      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "node_modules/arraybuffer.slice": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
+    },
+    "node_modules/backo2": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
+      "integrity": "sha1-MasayLEpNjRj41s+u2n038+6eUc="
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+    },
     "type-is": {
-      "version": "1.6.16",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
-      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "~2.1.18"
+        "mime-types": "~2.1.24"
       }
     },
     "unpipe": {
@@ -619,12 +1424,10 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "ws": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
-      "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.4.5",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+      "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g==",
+      "requires": {}
     },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",
diff --git a/package.json b/package.json
index 259d6498..e4b67776 100644
--- a/package.json
+++ b/package.json
@@ -1,16 +1,17 @@
 {
   "name": "node-simple-group-chat",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "A simple group chat built using Node.js and Socket.io",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js"
   },
-  "author": "Diky Hadna",
+  "author": "Created by Diky Hadna, Updated by Primo",
   "license": "ISC",
   "dependencies": {
-    "ejs": "^2.6.1",
-    "express": "^4.16.4",
-    "socket.io": "^2.2.0"
+    "ejs": "^2.7.4",
+    "express": "^4.17.1",
+    "socket.io": "^2.4.1"
   }
 }
diff --git a/views/index.ejs b/views/index.ejs
index 46292c42..436818d1 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html>
-  <head>
+<head>
     <title>Simple Group Chat on Node.js</title>
     <style>
         * { margin: 0; padding: 0; box-sizing: border-box; }
@@ -14,37 +14,72 @@
     </style>
     <script src="../../socket.io/socket.io.js"></script>
     <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
-  </head>
-  <body>
+</head>
+<body>
+
     <ul id="messages"></ul>
+      
     <form action="/" method="POST" id="chatForm">
-      <input id="txt" autocomplete="off" autofocus="on" oninput="isTyping()" placeholder="type your message here..." /><button>Send</button>
+        <input id="txt" autocomplete="off" autofocus="on" oninput="isTyping()" placeholder="type your message here..." />
+        <button type="button">Send</button>
     </form>
+
     <script>
-            var socket = io.connect('http://localhost:8080');
-
-            // submit text message without reload/refresh the page
-            $('form').submit(function(e){
-                e.preventDefault(); // prevents page reloading
-                socket.emit('chat_message', $('#txt').val());
-                $('#txt').val('');
-                return false;
-            });
-
-            // append the chat text message
-            socket.on('chat_message', function(msg){
-                $('#messages').append($('<li>').html(msg));
-            });
-
-            // append text if someone is online
-            socket.on('is_online', function(username) {
-                $('#messages').append($('<li>').html(username));
-            });
-
-            // ask username
-            var username = prompt('Please tell me your name');
-            socket.emit('username', username);
+    // get socket configuration
+    const WS_HOST = String("<%= ws_host %>");
+    const WS_PORT = Number("<%= ws_port %>");
+    const WS_SERVER_URL = String("<%= ws_prot %>")+WS_HOST+':'+WS_PORT;
+    // initialize the socket connection
+    const socket = io.connect(WS_SERVER_URL);
+
+    // submit text message without reload/refresh the page
+    $('form').submit(function(e){
+        e.preventDefault(); // prevents page reloading
+        socket.emit('chat_message', $('#txt').val());
+        $('#txt').val('');
+        return false;
+    });
+
+    // append the chat text message
+    socket.on('chat_message', function(data, _username, _message){
+        $('#messages').append($('<li>').html(data));
+        if($('#is-typing--'+_username).length) {
+            $('#is-typing--'+_username).remove();
+        }
+    });
 
+    // append text if someone is online
+    socket.on('is_online', function(data) {
+        $('#messages').append($('<li>').html(data));
+    });
+
+    // send typing event
+    function isTyping() {
+        socket.emit('is_typing', username);
+    }
+
+    // append if someone is typing
+    socket.on('is_typing', function(data, _username) {
+        const eluser_istyping = $('#is-typing--'+_username);
+        if(!eluser_istyping.length) {
+            $('#messages').append($('<li id="is-typing--'+_username+'">').html(data));
+        }
+        setInterval(()=>{
+            if(eluser_istyping.length) {
+                eluser_istyping.remove();
+            }
+        }, 2000);
+        setTimeout(()=> {
+            if(eluser_istyping.length) {
+                eluser_istyping.remove();
+            }
+        }, 2000);
+    });
+
+    // ask username
+    var username = prompt('Please tell me your name');
+    socket.emit('username', username);
     </script>
-  </body>
+
+</body>
 </html>
\ No newline at end of file