DevOps-Materials/Docker/5 - Intro to Docker Iamges/simple_express_app at main · IITC-College/DevOps-Materials

Task 1 — Create a Dockerfile

Create a file named:

Dockerfile

Add instructions that:

• Use a Node.js image
• Set a working directory
• Copy application files
• Install dependencies
• Expose port 3000
• Run the Node.js application

Task 2 — Build the Docker Image

Build the Docker image locally.

Requirements:

• Image name: simple-node-app
• Tag: v1

Task 3 — Verify the Image

Use Docker commands to verify the image exists locally.