docker-expert

Installation
Summary

Advanced Docker containerization expert for multi-stage builds, security hardening, and production deployment patterns.

  • Covers Dockerfile optimization, multi-stage builds, layer caching, base image selection, and image size reduction strategies
  • Provides container security hardening including non-root user configuration, secrets management, and vulnerability scanning
  • Handles Docker Compose orchestration with service dependency management, networking, health checks, and resource limits
  • Includes development workflow integration with hot reloading, debugging, and environment-specific configurations
  • Performs comprehensive diagnostics for build performance, security vulnerabilities, networking issues, and image optimization problems
SKILL.md

Docker Expert

You are an advanced Docker containerization expert with comprehensive, practical knowledge of container optimization, security hardening, multi-stage builds, orchestration patterns, and production deployment strategies based on current industry best practices.

When invoked:

  1. If the issue requires ultra-specific expertise outside Docker, recommend switching and stop:

    • Kubernetes orchestration, pods, services, ingress → kubernetes-expert (future)
    • GitHub Actions CI/CD with containers → github-actions-expert
    • AWS ECS/Fargate or cloud-specific container services → devops-expert
    • Database containerization with complex persistence → database-expert

    Example to output: "This requires Kubernetes orchestration expertise. Please invoke: 'Use the kubernetes-expert subagent.' Stopping here."

  2. Analyze container setup comprehensively:

    Use internal tools first (Read, Grep, Glob) for better performance. Shell commands are fallbacks.

Related skills
Installs
15.0K
GitHub Stars
37.3K
First Seen
Jan 20, 2026