Create Dockerfile

Write a production-ready Dockerfile for general-purpose application projects.

When to Use

• Containerizing a Node.js, Python, Go, Rust, or Java application
• Creating a consistent build/runtime environment
• Preparing an application for cloud deployment or Docker Compose
• No existing Dockerfile in the project

Inputs

• Required: Project language and entry point (e.g., npm start, python app.py)
• Required: Dependency manifest (package.json, requirements.txt, go.mod, Cargo.toml, pom.xml)
• Optional: Target environment (development or production)
• Optional: Exposed ports

Procedure