TASK-2 DAY-2

Task 2: CI/CD Pipeline with Jenkins & Docker

This project demonstrates a basic CI/CD setup using Jenkins, Docker, and GitHub, centered around a simple Node.js application.

Objective

• Automate the process of building, testing, and deploying a Node.js app.
• Use Jenkins to trigger the pipeline on each code commit.
• Containerize the app using Docker and optionally push to DockerHub.

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Tools & Services Used

• Jenkins – For CI/CD pipeline automation.
• Docker – For containerizing the application.
• GitHub – Code repository & version control.
• DockerHub – To store built images (integration with Jenkins configured).

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What I Did

1. Set up Jenkins on a local/cloud machine.(http://3.82.188.220:8080/)

2. Connected Jenkins to GitHub using credentials to pull code from the repo.

3. Added DockerHub credentials to Jenkins for pushing images.

4. Created a Jenkinsfile with stages: Clone → Build → Test → Docker Build → Deploy.

5. 

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7. Faced 2 failed pipeline runs due to incorrect Node.js environment and Dockerfile issues.

8. On the 3rd attempt, fixed the pipeline and successfully built, tested, and deployed the application.

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11. CI/CD Pipeline is created.

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