skills.rest
ToanPV90
ToanPV90COMMUNITY
Explore all skills by this author →
GitHub

dockerfile-generator

Generate multi-stage Dockerfiles with security hardening and validation.

Updated Apr 15, 2026
Search Tags:#docker#dockerfile#production deployment#image optimization#dockerignore#security hardening#multi-stage builds
One-click install
npx skills add https://github.com/ToanPV90/dotfiles --skill dockerfile-generator-toanpv90
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dockerfile-generator
Source: https://github.com/ToanPV90/dotfiles/tree/main/claude/.claude/skills/dockerfile-generator
Command: npx skills add https://github.com/ToanPV90/dotfiles --skill dockerfile-generator-toanpv90

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

It helps you produce production-ready Dockerfiles that are multi-stage, secure (non-root), and optimized for smaller images and safer deployments.

Core Features & Use Cases

  • Multi-stage production Dockerfile generation: separates build and runtime to reduce size and attack surface.
  • Docker security hardening defaults: enforces pinned tags (no :latest), creates a non-root user, and adds HEALTHCHECK for web services.
  • Companion .dockerignore generation: reduces build context and helps prevent secrets and unwanted artifacts from leaking into the build.
  • Validation and iteration loop: validates via dockerfile-validator with hadolint/checkov fallback and iterates up to three times with an iteration log.
  • Optimization-ready deliverables: outputs an audit report with metrics, next steps, and (when needed) an intentional-deviation report.

Real-world example: containerize a Node.js API into a hardened production image with a correctly structured multi-stage build, a matching .dockerignore, and a validated final Dockerfile.

Quick Start

Ask the skill to generate a production Dockerfile and matching .dockerignore for your application using multi-stage builds, non-root execution, pinned base images, and validation output.

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 with multi-stage builds?▼

Generate a production-ready Dockerfile using multi-stage builds by separating build and runtime environments, which reduces image size and attack surface for safer application deployments.

What's the best way to harden Docker security for production images?▼

Harden Docker security for production images by enforcing pinned base image tags instead of :latest, creating a non-root user, and adding HEALTHCHECK instructions for monitoring web services.

Why do I need a .dockerignore file for my containerized application?▼

A .dockerignore file reduces the build context size and prevents secrets or unwanted artifacts from leaking into the image during the Docker build process.

Can I validate my Dockerfile for optimization and security before deployment?▼

Validate your Dockerfile for optimization and security using a validation loop with hadolint and checkov fallback, which iterates up to three times and outputs an audit report with metrics.

Does Dockerfile generation work with common languages and frameworks?▼

Dockerfile generation works with common languages and frameworks by producing deterministic, pinned base images and validated configurations tailored to your specific application stack.

Related Skills

Explore More Software Engineering Skills→
Khamel83Khamel83

docker-composer

Generate Dockerfiles and docker-compose configurations for project runtimes.

Community
Advanced
d-padmanabhand-padmanabhan
15

containers-orchestration

Standardize Dockerfile and docker-compose.yml practices with pinned images, non-root execution, and HEALTHCHECKs.

Community
Advanced
ils15ils15
10

docker-deployment

Automate Docker deployments with multi-stage builds, health checks, and CI/CD pipelines.

Community
Advanced
dushyantkhosladushyantkhosla

docker-expert

Analyze Dockerfiles and container configurations for optimization and security hardening.

Community
Advanced