This is the backend service for the DevOps Portfolio Project.
It is a simple Node.js + Express API running inside Docker, with CI/CD configured via GitHub Actions.
- Healthcheck endpoint (
/health) - Items endpoint (
/items) - Metrics endpoint (
/metrics) (for Prometheus scraping) - CI/CD pipeline with GitHub Actions
- Dockerized for easy deployment
- Node.js (Express)
- Docker
- GitHub Actions (CI/CD)
- Prometheus (metrics scraping)
src/
└── app.js # Express API
tests/
└── test.js # Basic Jest test
Dockerfile
package.json
.github/workflows/ci-cd-backend.yml
# Clone repo
git clone https://github.com/GhostGto/project-backend.git
cd project-backend
# Install dependencies
npm install
# Run backend
npm start
API will run on: http://localhost:3000
🐳 Run with Docker
docker build -t project-backend .
docker run -p 3000:3000 project-backend
⚙️ CI/CD Pipeline
Runs on push to main
Steps:
Install dependencies
Run tests
Build Docker image
Push to DockerHubflowchart TD
A[Developer] -->|git push| B[GitHub Repository]
B -->|GitHub Actions CI/CD| C[CI/CD Pipeline]
subgraph C[CI/CD Pipeline]
C1[1. Checkout Code]
C2[2. Setup Node.js]
C3[3. Install deps]
C4[4. Run tests]
C5[5. Build Docker image]
C6[6. Push to DockerHub]
C7[7. Deploy to EC2]
end
C --> D[DockerHub Registry]
D --> E[EC2 Instance with Docker]
E -->|Docker-compose runs| F[Backend Container]
subgraph F[Backend Container]
F1[Node.js + Express App]
F2[Endpoints: health, items, metrics]
end
F --> G[Prometheus + Grafana]
G --> H[Monitoring Dashboard & Alerts]