diff --git a/.eslintrc.js b/.eslintrc.js
index f44c7a1..2a83604 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,10 +1,11 @@
 module.exports = {
+  root: true,
   extends: '@mate-academy/eslint-config',
   env: {
-    jest: true
+    jest: true,
   },
+  plugins: ['jest'],
   rules: {
-    'no-proto': 0
+    'no-proto': 0,
   },
-  plugins: ['jest']
 };
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..431ca30 100644
--- a/db/expense.json
+++ b/db/expense.json
@@ -1,5 +1,7 @@
-{
-  "date": "2024-01-25",
-  "title": "Test Expense",
-  "amount": "100"
-}
\ No newline at end of file
+[
+  {
+    "date": "2024-01-25",
+    "title": "Test Expense",
+    "amount": "100"
+  }
+]
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 28a4d31..f0d9216 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": "^2.1.1",
         "axios": "^1.7.2",
         "eslint": "^8.57.0",
         "eslint-plugin-jest": "^28.6.0",
@@ -1468,10 +1468,11 @@
       }
     },
     "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": "2.1.1",
+      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-2.1.1.tgz",
+      "integrity": "sha512-Tf97p/jZ/ZRsQSPGcZf2FpvxgUCl8DiUOsiDFHj7HBN8gMK0iZOBQEtyqcFsauVUAvPP8Ayo8cAiC12MMp45iQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@octokit/rest": "^17.11.2",
         "@types/get-port": "^4.2.0",
diff --git a/package.json b/package.json
index 8a92721..ebb46a1 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": "^2.1.1",
     "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..41da23c 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,8 +1,87 @@
 '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) => {
+    if (req.method === 'GET' && req.url === '/') {
+      fs.readFile(path.join(__dirname, 'form.html'), 'utf8', (err, content) => {
+        if (err) {
+          res.writeHead(500);
+          res.end('Error loading form');
+
+          return;
+        }
+        res.writeHead(200, { 'Content-Type': 'text/html' });
+        res.end(content);
+      });
+    } else if (req.method === 'POST' && req.url === '/add-expense') {
+      let data = '';
+
+      req.on('data', (chunk) => {
+        data += chunk;
+      });
+
+      req.on('end', () => {
+        try {
+          const expense = JSON.parse(data);
+
+          if (!expense.date || !expense.title || !expense.amount) {
+            res.writeHead(400, { 'Content-Type': 'application/json' });
+
+            res.end(
+              JSON.stringify({
+                error:
+                  'Missing required fields: date, title, amount are required',
+              }),
+            );
+
+            return;
+          }
+
+          const filePath = path.join(__dirname, '..', 'db', 'expense.json');
+
+          // Initialize expenses array
+          let expenses = [];
+
+          // Read existing expenses if file exists
+          if (fs.existsSync(filePath)) {
+            try {
+              const fileContent = fs.readFileSync(filePath, 'utf8');
+              const parsedContent = JSON.parse(fileContent);
+
+              expenses = Array.isArray(parsedContent) ? parsedContent : [];
+            } catch (readError) {
+              // If file is corrupted, start with empty array
+              expenses = [];
+            }
+          }
+
+          // Add new expense
+          expenses.push(expense);
+
+          // Write updated array back to file
+          fs.writeFileSync(filePath, JSON.stringify(expenses, null, 2));
+
+          res.writeHead(200, { 'Content-Type': 'application/json' });
+          res.end(JSON.stringify(expense));
+        } catch (err) {
+          res.writeHead(500, { 'Content-Type': 'application/json' });
+
+          res.end(
+            JSON.stringify({
+              error: 'Failed to process request',
+            }),
+          );
+        }
+      });
+    } else {
+      res.writeHead(404);
+      res.end();
+    }
+  });
 }
 
 module.exports = {
diff --git a/src/form.html b/src/form.html
new file mode 100644
index 0000000..dfa1315
--- /dev/null
+++ b/src/form.html
@@ -0,0 +1,95 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Expense Form</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            max-width: 600px;
+            margin: 0 auto;
+            padding: 20px;
+        }
+        form {
+            background: #f9f9f9;
+            padding: 20px;
+            border-radius: 8px;
+            box-shadow: 0 0 10px rgba(0,0,0,0.1);
+        }
+        .form-group {
+            margin-bottom: 15px;
+        }
+        label {
+            display: block;
+            margin-bottom: 5px;
+            font-weight: bold;
+        }
+        input {
+            width: 100%;
+            padding: 8px;
+            border: 1px solid #ddd;
+            border-radius: 4px;
+            box-sizing: border-box;
+        }
+        button {
+            background-color: #4CAF50;
+            color: white;
+            padding: 10px 20px;
+            border: none;
+            border-radius: 4px;
+            cursor: pointer;
+        }
+        button:hover {
+            background-color: #45a049;
+        }
+    </style>
+</head>
+<body>
+    <form id="expenseForm">
+        <div class="form-group">
+            <label for="date">Date:</label>
+            <input type="date" id="date" name="date" required>
+        </div>
+        <div class="form-group">
+            <label for="title">Title:</label>
+            <input type="text" id="title" name="title" required>
+        </div>
+        <div class="form-group">
+            <label for="amount">Amount:</label>
+            <input type="text" id="amount" name="amount" required>
+        </div>
+        <button type="submit">Save Expense</button>
+    </form>
+
+    <script>
+        document.getElementById('expenseForm').addEventListener('submit', async (e) => {
+            e.preventDefault();
+
+            const formData = {
+                date: document.getElementById('date').value,
+                title: document.getElementById('title').value,
+                amount: document.getElementById('amount').value
+            };
+
+            try {
+                const response = await fetch('/add-expense', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify(formData)
+                });
+
+                const result = await response.json();
+                if (response.ok) {
+                    alert('Expense saved successfully!');
+                } else {
+                    alert(`Error: ${result.error || 'Unknown error occurred'}`);
+                }
+            } catch (err) {
+                alert('Error saving expense');
+            }
+        });
+    </script>
+</body>
+</html>