diff --git a/backend/.gitignore b/backend/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..d1bed128fa83b3ed094d8387f4b8f19c019e2ae8
--- /dev/null
+++ b/backend/.gitignore
@@ -0,0 +1,61 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# 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
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://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/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
diff --git a/backend/app.js b/backend/app.js
new file mode 100644
index 0000000000000000000000000000000000000000..91a32db2ec7973a444f6bebbda58b8144ea85ad2
--- /dev/null
+++ b/backend/app.js
@@ -0,0 +1,54 @@
+const express = require('express');
+const path = require('path');
+const cookieParser = require('cookie-parser');
+const logger = require('morgan');
+const admin = require('firebase-admin');
+const serviceAccount = require('./chatman-a99e6-firebase-adminsdk-e2t5v-36aaaada49.json');
+
+const indexRouter = require('./routes/index');
+const usersRouter = require('./routes/users');
+
+const app = express();
+
+admin.initializeApp({
+  credential: admin.credential.cert(serviceAccount),
+  databaseURL: 'https://chatman-a99e6.firebaseio.com/'
+});
+
+let registrationToken = "dhoxHmhVQzo:APA91bGt3zNCA0OdxZ4PV2HCiWqFRSaPftZr6-rKB53O_ZSnTiBDB_YV8vSbaCjXLYzy_pkhd2VBppm6ohXcePhhPC-h4jXA2IwPADqmauhpN4_6eWEAmiBiPPw2WOjsP3CSIW6i569w";
+let message = {
+  notification: {
+    title: 'Hi :*',
+    body: 'Pakabar ?'
+  },
+  token: registrationToken
+}
+
+
+
+app.get('/send', function(req, res) {
+  admin.messaging().send(message)
+  .then(response => {
+    console.log('Success : ' + response)
+    res.send('success');
+  })
+  .catch(err => {
+    console.log('Error : ' + err)
+    res.send('error');
+  });
+});
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', indexRouter);
+app.use('/users', usersRouter);
+
+app.listen(3000, function() {
+  console.log('chatman running at port 3000');
+});
+
+module.exports = app;
diff --git a/backend/bin/www b/backend/bin/www
new file mode 100644
index 0000000000000000000000000000000000000000..192c6f3a0305492f00a254dd30ebf193c01b125a
--- /dev/null
+++ b/backend/bin/www
@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('backend:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}
diff --git a/backend/chatman-a99e6-firebase-adminsdk-e2t5v-36aaaada49.json b/backend/chatman-a99e6-firebase-adminsdk-e2t5v-36aaaada49.json
new file mode 100644
index 0000000000000000000000000000000000000000..8c9cdf32576e5ffc19f51c33875d80b6136c5ae6
--- /dev/null
+++ b/backend/chatman-a99e6-firebase-adminsdk-e2t5v-36aaaada49.json
@@ -0,0 +1,12 @@
+{
+  "type": "service_account",
+  "project_id": "chatman-a99e6",
+  "private_key_id": "36aaaada49b1771324c071d95a3908da21aac7c2",
+  "private_key": "-----BEGIN PRIVATE KEY-----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\npypz9utdRmkQWnQAivenfR4=\n-----END PRIVATE KEY-----\n",
+  "client_email": "firebase-adminsdk-e2t5v@chatman-a99e6.iam.gserviceaccount.com",
+  "client_id": "111555813811256028469",
+  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+  "token_uri": "https://oauth2.googleapis.com/token",
+  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-e2t5v%40chatman-a99e6.iam.gserviceaccount.com"
+}
diff --git a/backend/package-lock.json b/backend/package-lock.json
new file mode 100644
index 0000000000000000000000000000000000000000..872e16d58516b6d39f25ea3b81bd9e62e79ae358
--- /dev/null
+++ b/backend/package-lock.json
@@ -0,0 +1,2587 @@
+{
+  "name": "backend",
+  "version": "0.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@firebase/app": {
+      "version": "0.3.9",
+      "resolved": "https://registry.npmjs.org/@firebase/app/-/app-0.3.9.tgz",
+      "integrity": "sha512-mjgBSQsjln5vAV4zDIn3gjsRlcvn6KxMVNGdhdJmrHRPfjBYUQJycn2X3xwF0krwB41WS8SQCsHHQssXY+kfVQ==",
+      "requires": {
+        "@firebase/app-types": "0.3.4",
+        "@firebase/util": "0.2.7",
+        "dom-storage": "2.1.0",
+        "tslib": "1.9.0",
+        "xmlhttprequest": "1.8.0"
+      }
+    },
+    "@firebase/app-types": {
+      "version": "0.3.4",
+      "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.3.4.tgz",
+      "integrity": "sha512-XIc1wu7CJ0469STQPwyuokcBGFpRr7BVKKdajj/wAxzNntatDTXo1jdGfmjA8UYcuvW+QJmMkOE9KIOf5HgSzw=="
+    },
+    "@firebase/database": {
+      "version": "0.3.12",
+      "resolved": "https://registry.npmjs.org/@firebase/database/-/database-0.3.12.tgz",
+      "integrity": "sha512-Gim1kYUXBOX7xYwrBY6sOgQerOkhYGYvwwPCFeuBTXVy6X8b98SCSk7oMrmrG0+tG6gosmq7CT59AOxZEx4/0Q==",
+      "requires": {
+        "@firebase/database-types": "0.3.5",
+        "@firebase/logger": "0.1.6",
+        "@firebase/util": "0.2.7",
+        "faye-websocket": "0.11.1",
+        "tslib": "1.9.0"
+      }
+    },
+    "@firebase/database-types": {
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/@firebase/database-types/-/database-types-0.3.5.tgz",
+      "integrity": "sha512-MB98w9DsZtTN45sf651s5z4f2zdn5gPi2SMaZk32HLihPDgKv5pepzZ+grxioM7z5ZU1EvjjXRL7oM81OH3mZQ=="
+    },
+    "@firebase/logger": {
+      "version": "0.1.6",
+      "resolved": "https://registry.npmjs.org/@firebase/logger/-/logger-0.1.6.tgz",
+      "integrity": "sha512-74COMdYK/CZBgCSzEJGtQYpi1wGg1QlCUTQ/BrqqEIGg7GcnEcUCyjtRLogRQPYj3P7qaJLzHTSErJ8ZUAGotQ=="
+    },
+    "@firebase/util": {
+      "version": "0.2.7",
+      "resolved": "https://registry.npmjs.org/@firebase/util/-/util-0.2.7.tgz",
+      "integrity": "sha512-I6rN6smH1XEXUIDySI2jr4pM8r2tBnE40mANYco2lbzs2D0nk9aiwKp5MTWRAmqRy4WDe7sx9sqs0cFefzsD6A==",
+      "requires": {
+        "tslib": "1.9.0"
+      }
+    },
+    "@google-cloud/common": {
+      "version": "0.31.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/common/-/common-0.31.0.tgz",
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+      "optional": true,
+      "requires": {
+        "@google-cloud/projectify": "^0.3.2",
+        "@google-cloud/promisify": "^0.3.0",
+        "@types/duplexify": "^3.5.0",
+        "@types/request": "^2.47.0",
+        "arrify": "^1.0.1",
+        "duplexify": "^3.6.0",
+        "ent": "^2.2.0",
+        "extend": "^3.0.1",
+        "google-auth-library": "^3.0.0",
+        "pify": "^4.0.0",
+        "retry-request": "^4.0.0"
+      }
+    },
+    "@google-cloud/firestore": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-1.0.1.tgz",
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+      "optional": true,
+      "requires": {
+        "@google-cloud/projectify": "^0.3.0",
+        "bun": "^0.0.12",
+        "deep-equal": "^1.0.1",
+        "extend": "^3.0.1",
+        "functional-red-black-tree": "^1.0.1",
+        "google-gax": "^0.24.0",
+        "is": "^3.2.1",
+        "lodash.merge": "^4.6.1",
+        "protobufjs": "^6.8.6",
+        "through2": "^3.0.0"
+      }
+    },
+    "@google-cloud/paginator": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/@google-cloud/paginator/-/paginator-0.1.2.tgz",
+      "integrity": "sha512-XL09cuPSEPyyNifavxWJRYkUFr5zCJ9njcFjqc1AqSQ2QIKycwdTxOP/zHsAWj0xN3rw1ApevA8o+8VAD4R6hw==",
+      "optional": true,
+      "requires": {
+        "arrify": "^1.0.1",
+        "extend": "^3.0.1",
+        "is": "^3.2.1",
+        "split-array-stream": "^2.0.0",
+        "stream-events": "^1.0.4"
+      }
+    },
+    "@google-cloud/projectify": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@google-cloud/projectify/-/projectify-0.3.2.tgz",
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+      "optional": true
+    },
+    "@google-cloud/promisify": {
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+    },
+    "@google-cloud/storage": {
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+      "requires": {
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+        "@google-cloud/paginator": "^0.1.0",
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+        "compressible": "^2.0.12",
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+        "extend": "^3.0.0",
+        "gcs-resumable-upload": "^0.14.1",
+        "hash-stream-validation": "^0.2.1",
+        "mime": "^2.2.0",
+        "mime-types": "^2.0.8",
+        "once": "^1.3.1",
+        "pumpify": "^1.5.1",
+        "snakeize": "^0.1.0",
+        "stream-events": "^1.0.1",
+        "teeny-request": "^3.11.3",
+        "through2": "^3.0.0",
+        "xdg-basedir": "^3.0.0"
+      }
+    },
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+      "optional": true,
+      "requires": {
+        "semver": "^5.5.0"
+      }
+    },
+    "@grpc/proto-loader": {
+      "version": "0.4.0",
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+      "requires": {
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+        "protobufjs": "^6.8.6"
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+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
+      }
+    },
+    "xdg-basedir": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ="
+    },
+    "xmlhttprequest": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+    },
+    "xtend": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+    },
+    "y18n": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "optional": true
+    },
+    "yallist": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+    },
+    "yargs": {
+      "version": "3.32.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
+      "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
+      "optional": true,
+      "requires": {
+        "camelcase": "^2.0.1",
+        "cliui": "^3.0.3",
+        "decamelize": "^1.1.1",
+        "os-locale": "^1.4.0",
+        "string-width": "^1.0.1",
+        "window-size": "^0.1.4",
+        "y18n": "^3.2.0"
+      }
+    }
+  }
+}
diff --git a/backend/package.json b/backend/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..4f80d79139a138877b643976ea303e444427a84d
--- /dev/null
+++ b/backend/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "backend",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "cookie-parser": "~1.4.3",
+    "debug": "~2.6.9",
+    "express": "~4.16.0",
+    "firebase-admin": "^7.0.0",
+    "morgan": "~1.9.0"
+  }
+}
diff --git a/backend/public/index.html b/backend/public/index.html
new file mode 100644
index 0000000000000000000000000000000000000000..ab1ad8a94fe2f508b199d111855f322c1fb20bee
--- /dev/null
+++ b/backend/public/index.html
@@ -0,0 +1,13 @@
+<html>
+
+<head>
+  <title>Express</title>
+  <link rel="stylesheet" href="/stylesheets/style.css">
+</head>
+
+<body>
+  <h1>Express</h1>
+  <p>Welcome to Express</p>
+</body>
+
+</html>
diff --git a/backend/public/stylesheets/style.css b/backend/public/stylesheets/style.css
new file mode 100644
index 0000000000000000000000000000000000000000..9453385b9916ce9bc5e88d2f5d8cd8a554223590
--- /dev/null
+++ b/backend/public/stylesheets/style.css
@@ -0,0 +1,8 @@
+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}
diff --git a/backend/routes/index.js b/backend/routes/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..ecca96a56b309a315ddf6399155fd2f953031d3b
--- /dev/null
+++ b/backend/routes/index.js
@@ -0,0 +1,9 @@
+var express = require('express');
+var router = express.Router();
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  res.render('index', { title: 'Express' });
+});
+
+module.exports = router;
diff --git a/backend/routes/users.js b/backend/routes/users.js
new file mode 100644
index 0000000000000000000000000000000000000000..623e4302bee32ccc080d1c83ee2e55a426c9bac8
--- /dev/null
+++ b/backend/routes/users.js
@@ -0,0 +1,9 @@
+var express = require('express');
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+module.exports = router;