Node.js Demo App with Jenkins CI/CD and Docker

This is a simple Node.js Express application demonstrating CI/CD pipeline integration using Jenkins and Docker.

Features

• Basic Express server
• Dockerized for easy deployment
• Jenkins pipeline for build and deployment automation

Prerequisites

• Node.js (v18 or above recommended)
• Docker
• Jenkins (for CI/CD)

Getting Started

1. Install dependencies

npm install

2. Run locally

node app.js

Visit http://localhost:3000 in your browser.

3. Build Docker image

docker build -t nodejs-demo-app:latest .

4. Run Docker container

docker run -d -p 3000:3000 --name nodejs-demo nodejs-demo-app:latest

5. Jenkins Pipeline

See Jenkinsfile for the pipeline configuration. The pipeline builds the Docker image and deploys the container.

File Structure

• app.js: Main Express application
• Dockerfile: Docker configuration
• Jenkinsfile: Jenkins pipeline script
• package.json: Project dependencies
• hello.txt: Sample text file