diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
new file mode 100644
index 0000000..bb13dfc
--- /dev/null
+++ b/.github/workflows/test.yml-template
@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test
diff --git a/db/expense.json b/db/expense.json
index 1bc75a6..e69ac4c 100644
--- a/db/expense.json
+++ b/db/expense.json
@@ -1,5 +1,12 @@
-{
-  "date": "2024-01-25",
-  "title": "Test Expense",
-  "amount": "100"
-}
\ No newline at end of file
+[
+  {
+    "date": "1212-12-12",
+    "title": "kk",
+    "amount": "12"
+  },
+  {
+    "date": "1111-11-11",
+    "title": "hh",
+    "amount": "11"
+  }
+]
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 28a4d31..270ae4c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "license": "GPL-3.0",
       "devDependencies": {
         "@mate-academy/eslint-config": "latest",
-        "@mate-academy/scripts": "^1.8.6",
+        "@mate-academy/scripts": "^2.1.3",
         "axios": "^1.7.2",
         "eslint": "^8.57.0",
         "eslint-plugin-jest": "^28.6.0",
@@ -1468,9 +1468,9 @@
       }
     },
     "node_modules/@mate-academy/scripts": {
-      "version": "1.8.6",
-      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.8.6.tgz",
-      "integrity": "sha512-b4om/whj4G9emyi84ORE3FRZzCRwRIesr8tJHXa8EvJdOaAPDpzcJ8A0sFfMsWH9NUOVmOwkBtOXDu5eZZ00Ig==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-2.1.3.tgz",
+      "integrity": "sha512-a07wHTj/1QUK2Aac5zHad+sGw4rIvcNl5lJmJpAD7OxeSbnCdyI6RXUHwXhjF5MaVo9YHrJ0xVahyERS2IIyBQ==",
       "dev": true,
       "dependencies": {
         "@octokit/rest": "^17.11.2",
diff --git a/package.json b/package.json
index 8a92721..cd53c9e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "axios": "^1.7.2",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
diff --git a/src/createServer.js b/src/createServer.js
index 1cf1dda..13dce82 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,8 +1,91 @@
+/* eslint-disable no-console */
 'use strict';
 
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    const { method, url } = req;
+
+    if (url === '/' && method === 'GET') {
+      const filePath = path.join(__dirname, 'index.html');
+
+      fs.readFile(filePath, (err, content) => {
+        if (err) {
+          res.writeHead(500);
+
+          return res.end('Server error');
+        }
+
+        res.writeHead(200, {
+          'Content-type': 'text/html',
+        });
+        res.end(content);
+      });
+    } else if (url === '/submit-expense' && method === 'POST') {
+      let body = '';
+
+      req.on('data', (chunk) => {
+        body += chunk.toString();
+      });
+
+      req.on('end', () => {
+        const params = new URLSearchParams(body);
+        const newExpense = {
+          date: params.get('date'),
+          title: params.get('title'),
+          amount: params.get('amount'),
+        };
+
+        const dbPath = path.join(__dirname, '../db', 'expense.json');
+
+        fs.readFile(dbPath, 'utf-8', (err, data) => {
+          let expenses = [];
+
+          if (!err && data) {
+            try {
+              const parsedData = JSON.parse(data);
+
+              expenses = Array.isArray(parsedData) ? parsedData : [parsedData];
+            } catch (parseErr) {
+              expenses = [];
+            }
+          }
+
+          expenses.push(newExpense);
+
+          const jsonToSave = JSON.stringify(expenses, null, 2);
+
+          fs.writeFile(dbPath, jsonToSave, (writeErr) => {
+            if (writeErr) {
+              res.writeHead(500);
+
+              return res.end('Error saving to the file');
+            }
+
+            res.writeHead(200, { 'Content-type': 'text/html' });
+
+            res.end(`
+              <!DOCTYPE html>
+              <html>
+                <body>
+                  <h1>Expense Saved Successfully</h1>
+                  <p>Here is the saved data:</p>
+                  <pre style="background: #f4f4f4; padding: 10px; border: 1px solid #ddd;">${jsonToSave}</pre>
+                  <a href="/">Add another expense</a>
+                </body>
+              </html>
+            `);
+          });
+        });
+      });
+    } else {
+      res.statusCode = 404;
+      res.end('Invalid url');
+    }
+  });
 }
 
 module.exports = {
diff --git a/src/index.html b/src/index.html
new file mode 100644
index 0000000..359a742
--- /dev/null
+++ b/src/index.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Expense Tracker</title>
+</head>
+<body>
+  <h1>Add New Expense</h1>
+  <form action="/submit-expense" method="POST">
+    <div>
+      <label for="date">Date:</label>
+      <input type="date" name="date" required>
+    </div>
+    <div>
+      <label for="title">Title:</label>
+      <input type="text" name="title" required>
+    </div>
+    <div>
+      <label for="amount">Amount:</label>
+      <input type="number" name="amount" required>
+    </div>
+    <button type="submit">Save Expense</button>
+  </form>
+</body>
+</html>