diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000000..f4da5f5c4f
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+node_modules
+.git
+.DS_Store
+npm-debug.log
+yarn-error.log
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000..84cf5cdd25
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+    validate:
+        name: Validate Source Code
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v5
+
+            - name: Setup node
+              uses: actions/setup-node@v5
+              with:
+                node-version: '24'
+                cache: yarn
+                cache-dependency-path: '**/yarn.lock'
+
+            - name: Install dependencies
+              run: yarn install --frozen-lockfile
+
+            - name: Run tests
+              run: yarn test
+
+            - name: Build Docker image
+              run: docker compose build
+
+            - name : Run Docker container
+              run: docker compose up -d
+
+            - name: Notify on success
+              if: success()
+              run: echo "CI Pipeline passed successfully!"
+
+            - name: Notify on failure
+              if: failure()
+              run: echo "CI Pipeline failed! Please check the logs."
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000..6d7c304737
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,15 @@
+FROM node:24-alpine
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=3001
+
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile --production=true
+
+COPY . .
+
+EXPOSE 3001
+
+CMD ["yarn", "start"]
\ No newline at end of file
diff --git a/app.js b/app.js
index 5ab128e4b4..54bf20988d 100644
--- a/app.js
+++ b/app.js
@@ -4,16 +4,20 @@ const port = process.env.PORT || 3001;
 
 app.get("/", (req, res) => res.type('html').send(html));
 
-const server = app.listen(port, () => console.log(`Example app listening on port ${port}!`));
+function startServer() {
+  const server = app.listen(port, () => console.log(`Example app listening on port ${port}!`));
 
-server.keepAliveTimeout = 120 * 1000;
-server.headersTimeout = 120 * 1000;
+  server.keepAliveTimeout = 120 * 1000;
+  server.headersTimeout = 120 * 1000;
+
+  return server;
+}
 
 const html = `
 <!DOCTYPE html>
 <html>
   <head>
-    <title>Hello from Render!</title>
+    <title>Hello from 23521574 - Ngô Quang Tiến!</title>
     <script src="https://cdn.jsdelivr.net/npm/canvas-confetti@1.5.1/dist/confetti.browser.min.js"></script>
     <script>
       setTimeout(() => {
@@ -54,8 +58,14 @@ const html = `
   </head>
   <body>
     <section>
-      Hello from Render!
+      Hello from 23521574 - Ngô Quang Tiến!
     </section>
   </body>
 </html>
 `
+
+if (require.main === module) {
+  startServer();
+}
+
+module.exports = app;
diff --git a/app.test.js b/app.test.js
new file mode 100644
index 0000000000..6319d4ec90
--- /dev/null
+++ b/app.test.js
@@ -0,0 +1,52 @@
+const assert = require("node:assert/strict");
+const { after, before, describe, it } = require("node:test");
+
+const app = require("./app");
+
+let server;
+let baseUrl;
+
+function request(path) {
+  return fetch(`${baseUrl}${path}`);
+}
+
+describe("Express app", () => {
+  before(async () => {
+    server = app.listen(0);
+
+    await new Promise((resolve) => {
+      server.once("listening", resolve);
+    });
+
+    const { port } = server.address();
+    baseUrl = `http://127.0.0.1:${port}`;
+  });
+
+  after(async () => {
+    await new Promise((resolve, reject) => {
+      server.close((error) => {
+        if (error) {
+          reject(error);
+          return;
+        }
+
+        resolve();
+      });
+    });
+  });
+
+  it("returns the home page", async () => {
+    const response = await request("/");
+    const body = await response.text();
+
+    assert.equal(response.status, 200);
+    assert.match(response.headers.get("content-type"), /^text\/html/);
+    assert.match(body, /Hello from 23521574/);
+  });
+
+  it("returns 404 for unknown routes", async () => {
+    const response = await request("/not-found");
+
+    assert.equal(response.status, 404);
+  });
+});
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000000..f88eb1982d
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,5 @@
+services: 
+  web:
+    build: .
+    ports:
+      - "3001:3001"
\ No newline at end of file
diff --git a/package.json b/package.json
index 43954fe280..ca85877a33 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,8 @@
   "license": "MIT",
   "private": false,
   "scripts": {
-    "start": "node app.js"
+    "start": "node app.js",
+    "test": "node --test"
   },
   "dependencies": {
     "express": "^5.0.0"
