dockerfile-generator

Generate production-ready Dockerfiles with multi-stage builds for Node.js, Python, Go, Rust, and Java.

1|Updated Jan 4, 2026
One-click install
npx skills add https://github.com/karchtho/my-claude-marketplace --skill dockerfile-generator-karchtho
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: dockerfile-generator
Source: https://github.com/karchtho/my-claude-marketplace/tree/main/bundles/infra-bundle/skills/dockerfile-generator
Command: npx skills add https://github.com/karchtho/my-claude-marketplace --skill dockerfile-generator-karchtho

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automates the creation of production-ready Dockerfiles across languages with built-in best practices to reduce manual setup, errors, and time-to-deploy.

Core Features & Use Cases

  • Multi-stage production builds for Node.js, Python, Go, Rust, and Java.
  • Language-specific patterns, security hardening, and size/performance optimizations.
  • Use Case: Create optimized Dockerfiles for new services or refactor existing ones to improve build cache and startup times.

Quick Start

Generate a production-ready Dockerfile for a sample Node.js application using multi-stage builds and security best practices.

Frequently Asked Questions about dockerfile-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a production-ready Dockerfile for a Node.js application?

To generate a production-ready Dockerfile for Node.js, apply multi-stage builds and security best practices to reduce image size and improve reliability. This approach handles base-image selection, caching strategies, and language-specific patterns automatically.

What is the best way to optimize an existing Dockerfile for build cache and startup times?

Optimizing an existing Dockerfile involves refactoring it with multi-stage builds and security hardening to improve build cache and startup times. This method applies language-specific patterns to reduce image size and performance bottlenecks.

Can I use multi-stage builds for Python, Go, Rust, and Java Docker images?

Yes, multi-stage builds support Python, Go, Rust, and Java Docker images. This technique separates the build environment from the final runtime image, applying security hardening and size optimizations across these major stacks.

Does a generated Dockerfile include health checks and security hardening by default?

Generated Dockerfiles include health checks and security hardening by default to satisfy production-grade deployment requirements. These features ensure improved reliability and performance without requiring manual configuration.

When should I use multi-stage builds in my Dockerfile?

Use multi-stage builds when creating new container images or refactoring existing Dockerfiles to improve size, performance, and reliability. This layout is essential for hardening deployments and optimizing build cache across different language stacks.

Why does my Dockerfile result in a large container image size?

A large container image size often results from missing multi-stage builds and proper base-image selection. Refactoring the Dockerfile with language-specific patterns and caching strategies significantly reduces the final image footprint.