Create Dockerfile

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

When Use

• Containerizing Node.js, Python, Go, Rust, or Java app
• Making consistent build/runtime environment
• Preparing app for cloud deploy or Docker Compose
• No existing Dockerfile in 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

Steps