Node.js CI/CD Pipeline with Jenkins & Docker

This project demonstrates a complete DevOps pipeline:

GitHub → Jenkins → Docker → Docker Hub

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Project Overview

This project automates:

• Build of Node.js application
• Docker image creation
• Push to Docker Hub

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Tech Stack

• Node.js
• Jenkins (CI/CD)
• Docker
• Docker Hub
• Git & GitHub

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Project Structure

. ├── app.js ├── package.json ├── Dockerfile ├── Jenkinsfile └── README.md

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Setup Instructions

Clone Repository

git clone https://github.com/your-username/your-repo.git
cd your-repo

## Install Dependencies
npm install

## Run Application
node app.js

## App will run on:
http://localhost:3000

### Docker Setup

## BUild Docker Image
docker build -t yourusername/my-node-app .

## Run Container
docker run -d -p 3000:3000 yourusername/my-node-app


### Docker Hub

##Login
Docker Login

## Push Image
docker push yourusername/my-node-app

## Jenkins Pipeline
  Pipeline stages:
- Install dependencies
- Build Docker image
- Login to Docker Hub
- Push image
- CI/CD Flow

Code Push → Jenkins Build → Docker Build → Docker Push

## Troubleshooting
## Issue: npm command not found
# Install Node.js in Jenkins server
# Configure PATH properly

## Issue: Docker permission denied
sudo usermod -aG docker jenkins
sudo systemctl restart jenkins

## Issue: Docker push failed
Check Docker Hub credentials in Jenkins
Ensure correct image name (username/repo)

Author
Richa Sharma
Devops Engineer



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