docker-expert
The docker-expert skill provides guidance on Docker containerization, including optimization, security hardening, multi-stage builds, orchestration patterns, and production deployment strategies.
Is docker-expert safe to install?
Review the source first: our audit of docker-expert's source files found 18 shell commands, 1 external URL, file reads and writes (high risk). Every command and URL listed appears verbatim in the skill's source. The skill executes shell commands on the host system and performs network requests to local health check endpoints.
How we audit skills: our security review methodology.
Who is this skill for?
Developers and DevOps engineers working with Docker containers and Docker Compose.
What can you do with it?
- Optimizing Dockerfiles for build performance and image size
- Hardening container security by implementing non-root users and secrets management
- Configuring Docker Compose for production environments
- Troubleshooting build performance, security vulnerabilities, and networking issues
- Setting up multi-architecture builds and development workflows
How good is this skill?
Quality score: 5/10. The skill provides clear, actionable patterns and a structured approach to Docker-related tasks. It includes specific shell commands and Dockerfile examples.
What does the skill file contain?
# 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: 0. 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 service...
Frequently asked questions
When should I use a different expert skill?
Use a different skill if the task involves Kubernetes orchestration, GitHub Actions CI/CD, AWS ECS/Fargate, or complex database persistence.
How does the skill optimize Docker builds?
It recommends multi-stage builds, separating dependency installation from source code copying, and using .dockerignore to manage build context.
What security practices does the skill prioritize?
It focuses on non-root user configuration, secrets management, regular base image updates, and capability restrictions.
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