diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
new file mode 100644
index 000000000..bb13dfc45
--- /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/package-lock.json b/package-lock.json
index fa582c7e6..1d9574a1b 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",
         "eslint": "^8.57.0",
         "eslint-plugin-jest": "^28.6.0",
         "eslint-plugin-node": "^11.1.0",
@@ -1467,10 +1467,11 @@
       }
     },
     "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": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-2.1.3.tgz",
+      "integrity": "sha512-a07wHTj/1QUK2Aac5zHad+sGw4rIvcNl5lJmJpAD7OxeSbnCdyI6RXUHwXhjF5MaVo9YHrJ0xVahyERS2IIyBQ==",
       "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 a6c885a1d..b70296ae9 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",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/src/createServer.js b/src/createServer.js
index 89724c920..0ee7f4eac 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,3 +1,78 @@
-// Write code here
-// Also, you can create additional files in the src folder
-// and import (require) them here
+/* eslint-disable max-len */
+const http = require('http');
+const { convertToCase } = require('./convertToCase');
+
+function sendError(res, errors) {
+  res.statusCode = 400;
+  res.statusMessage = 'Bad request';
+
+  const body = { errors };
+
+  res.end(JSON.stringify(body));
+}
+
+function createServer() {
+  const validatedCases = ['SNAKE', 'KEBAB', 'PASCAL', 'CAMEL', 'UPPER'];
+  const server = http.createServer((req, res) => {
+    const errors = [];
+
+    if (req.url === '/favicon.ico') {
+      res.statusCode = 204;
+      res.end();
+
+      return;
+    }
+
+    const [path, queryString] = (req.url || '').split('?');
+    const text = path && path.startsWith('/') ? path.slice(1) : '';
+    const params = new URLSearchParams(queryString || '');
+    const toCase = params.get('toCase');
+
+    res.setHeader('Content-Type', 'application/json');
+
+    if (!text) {
+      errors.push({
+        message:
+          'Text to convert is required. Correct request is: "/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>".',
+      });
+    }
+
+    if (!toCase) {
+      errors.push({
+        message:
+          '"toCase" query param is required. Correct request is: "/<TEXT_TO_CONVERT>?toCase=<CASE_NAME>".',
+      });
+    } else {
+      if (!validatedCases.includes(toCase)) {
+        errors.push({
+          message:
+            'This case is not supported. Available cases: SNAKE, KEBAB, CAMEL, PASCAL, UPPER.',
+        });
+      }
+    }
+
+    if (errors.length > 0) {
+      sendError(res, errors);
+
+      return;
+    }
+
+    const result = convertToCase(text, toCase);
+
+    res.statusCode = 200;
+    res.statusMessage = 'OK';
+
+    const body = {
+      originalCase: result.originalCase,
+      targetCase: toCase,
+      originalText: text,
+      convertedText: result.convertedText,
+    };
+
+    res.end(JSON.stringify(body));
+  });
+
+  return server;
+}
+
+module.exports = { createServer };