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YouMingYeh
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docker-expert

Optimize Docker builds with multi-stage Dockerfiles and secure runtime configurations.

2|Updated Jan 12, 2026
Search Tags:#containerization#docker#docker-compose#image-optimization#multi-stage-builds#security-hardening#production-deployments
One-click install
npx skills add https://github.com/YouMingYeh/shadcn-ui-supabase-docker-template --skill docker-expert-youmingyeh
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: docker-expert
Source: https://github.com/YouMingYeh/shadcn-ui-supabase-docker-template/tree/main/.agents/skills/docker-expert
Command: npx skills add https://github.com/YouMingYeh/shadcn-ui-supabase-docker-template --skill docker-expert-youmingyeh

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Docker-based projects often suffer from bloated images, insecure runtimes, and inconsistent deployments across environments. This Skill provides expert guidance to design secure, efficient, and repeatable Docker workflows from build to production.

Core Features & Use Cases

  • Multi-stage builds: Create lean production images by separating build and runtime stages.
  • Security hardening: Implement non-root users, minimal base images, and secrets handling.
  • Compose & orchestration: Define robust development and production deployments with Docker Compose patterns.
  • Performance & maintenance: Optimize layer caching, .dockerignore, and image size.
  • Use Case: A team shipping a web service with fast iteration and secure deployments uses this skill to produce production-grade images and deployment patterns.

Quick Start

Ask me to review a Docker setup and I will provide a production-ready multi-stage Dockerfile, secure hardening steps, and an optimized Docker Compose pattern.

Frequently Asked Questions about docker-expert

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

FAQPage Schema
How do I optimize Docker image size using multi-stage builds?▼

Docker security hardening involves implementing non-root users, minimal base images, and proper secrets management. This Skill guides you through secure runtime configurations to protect containers and enforce non-root execution across staging and production environments.

What's the best way to structure Docker Compose patterns for production deployments?▼

Robust Docker Compose patterns define repeatable deployment workflows across local, staging, and production environments. This Skill helps you orchestrate production deployments with secure and consistent Docker Compose configurations.

Why does my Docker build ignore the .dockerignore file and cache layers inefficiently?▼

Inefficient layer caching and ignored .dockerignore files bloat builds and slow iteration. This Skill provides performance and maintenance guidance to optimize layer caching, handle .dockerignore properly, and minimize image size.

Can I use this approach for repeatable deployment workflows across local and staging environments?▼

Yes, this approach satisfies requirements for repeatable deployment workflows across local, staging, and production environments. It applies to development teams needing production-grade Dockerfiles and consistent orchestration patterns.

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