diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ab5ce4b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,69 @@
+name: CI - Node.js MySQL API
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [18, 20]
+
+
+
+    services:
+      mysql:
+        image: mysql:8.0
+        env:
+          MYSQL_ROOT_PASSWORD: ${{ secrets.MYSQL_ROOT_PASSWORD }}
+          MYSQL_DATABASE: ${{ secrets.MYSQL_DATABASE }}
+          MYSQL_USER: ${{ secrets.MYSQL_USER }}
+          MYSQL_PASSWORD: ${{ secrets.MYSQL_PASSWORD }}
+        ports:
+          - 3306:3306
+        options: >-
+          --health-cmd="mysqladmin ping -h localhost -u fazt -pfaztpassword"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=5
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: npm
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Wait for MySQL to be ready
+        run: |
+          echo "Waiting for MySQL..."
+          until mysql -h 127.0.0.1 -u fazt -pfaztpassword -e "SELECT 1"; do
+            sleep 3
+          done
+
+      - name: Initialize database
+        run: |
+          mysql -h 127.0.0.1 -u fazt -pfaztpassword companydb < db/database.sql
+
+      - name: Run tests with coverage
+        run: npm run test:coverage
+        
+      - name: Upload coverage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage/
+      
+
+
diff --git a/README.md b/README.md
index ff49045..efe3120 100644
--- a/README.md
+++ b/README.md
@@ -17,4 +17,6 @@ npm run dev
 - [ ] add validation
 - [ ] improve error handling
 - [ ] complete the tests
-- [ ] docker for production
\ No newline at end of file
+- [ ] docker for production
+
+comentario
\ No newline at end of file
diff --git a/jest.config.js b/jest.config.js
index 59f24eb..7933b58 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -4,4 +4,14 @@ export default {
   testEnvironment: "node",
   coveragePathIgnorePatterns: ["/node_modules/"],
   transform: {},
+  
+  coverageThreshold: {
+    global: {
+      branches: 5,
+      functions: 5,
+      lines: 5,
+      statements: 5
+    }
+  }
+
 };
diff --git a/package.json b/package.json
index c7cf8db..9634ec8 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,12 @@
   "scripts": {
     "dev": "nodemon src/index.js",
     "start": "node src/index.js",
+    "pretest": "cross-env NODE_ENV=test jest --clearCache",
+
+    "lint": "eslint .",
+    
     "test": "NODE_OPTIONS=--experimental-vm-modules jest --coverage",
-    "pretest": "cross-env NODE_ENV=test jest --clearCache"
+    "test:coverage":  "NODE_OPTIONS=--experimental-vm-modules jest  --detectOpenHandles --coverage --ci"
   },
   "keywords": [],
   "author": "",
diff --git a/tests/index.test.js b/tests/index.test.js
index bfef279..8ddbaf9 100644
--- a/tests/index.test.js
+++ b/tests/index.test.js
@@ -1,16 +1,21 @@
-import app from "../src/app";
-import request from "supertest";
+import app from '../src/app';
+import request from 'supertest';
+import { pool } from '../src/db';
 
-describe("Index Routes", () => {
-  it("should respond welcome", async () => {
-    const res = await request(app).get("/");
+describe('Index Routes', () => {
+  it('should respond welcome', async () => {
+    const res = await request(app).get('/');
     expect(res.statusCode).toEqual(200);
-    expect(res.body).toEqual({ message: "welcome to my api" });
+    expect(res.body).toEqual({ message: 'welcome to my api' });
   });
 
-  it("should respond pong", async () => {
-    const res = await request(app).get("/ping");
+  it('should respond pong', async () => {
+    const res = await request(app).get('/ping');
     expect(res.statusCode).toEqual(200);
-    expect(res.body).toEqual({ result: "pong" });
+    expect(res.body).toEqual({ result: 'pong' });
   });
-});
+
+  afterAll(async () => {
+    await pool.end();
+  });
+});
\ No newline at end of file