Free online Dockerfile generator. Multi-language base images, multi-stage builds, health checks, and COPY instructions. Generate production-ready Dockerfiles instantly.
TL;DR: Free Dockerfile generator with templates for Node, Python, Java, Go, and more. Follows multi-stage build best practices, runs locally in your browser.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Generate Dockerfile templates directly in your browser — all operations run locally with no usage limits.
It supports Dockerfile templates for Node.js, Python, Java, Go, Rust, PHP, Ruby, and other mainstream languages, with options for base image, exposed ports, build commands, and more.
No. All Dockerfile generation runs locally in your browser. Your configuration is never sent to any server.
Yes. The generated Dockerfile follows best practices (multi-stage builds, minimal images, non-root user, etc.) and can be used directly in projects. Adjust dependency installation and start commands based on your actual project structure.
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