Create a Dockerfile that builds and runs a simple Node.js application. Include multi-stage build for optimization.
Tools & Technologies
DockerDockerfileNode.jsMulti-stage Build
Objective
Create an optimized Dockerfile for a Node.js application using multi-stage builds to reduce image size.
Requirements
- Use Node.js 18 LTS as base image
- Implement multi-stage build
- Set working directory
- Copy package files and install dependencies
- Copy application code
- Expose port 3000
- Set CMD to start the application
Tips
Use .dockerignore to exclude node_modules. Leverage Docker layer caching by copying package.json before source code.
Solution
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Difficulty & Effort Breakdown
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Beginner(Approachable)
15 min
Est. Time
7
Requirements
4
Technologies
Containerization
Category
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