Production Dockerfile
Generates a multi-stage, small-image Dockerfile for a given stack.
Multi-stage build, non-root user, .dockerignore, healthcheck, cache layers.
The prompt
Copy this into ChatGPT, Claude, Gemini or any assistant you already use — then paste your own stack description underneath it.
Generate a production-grade Dockerfile for the stack described. Output: **Dockerfile** (multi-stage) **.dockerignore** **1-line explanation per stage** Rules: - Use multi-stage builds. - Run as non-root. - Cache dependency install separately from source copy. - Pin base images by version, not :latest. - Add a HEALTHCHECK if appropriate for the runtime.
Example input
Node.js 20, Next.js 16, pnpm, runs on port 3000, deployed on Vercel-style platforms.
Or run it here
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