Optimize Dockerfiles and Compose configurations for smaller, secure images.
npx skills add https://github.com/dotBeeps/hoard --skill docker-dotbeeps
Please help me install this Agent Skill. Skill: docker Source: https://github.com/dotBeeps/hoard/tree/main/morsels/skills/docker Command: npx skills add https://github.com/dotBeeps/hoard --skill docker-dotbeeps
Provides practical, opinionated patterns to build smaller, more secure, and maintainable container images while making Dockerfiles and Compose setups easier to debug and operate.
Convert your existing Dockerfile to a multi-stage build, reorder layers so dependencies are installed before source, enable BuildKit cache mounts, and add a HEALTHCHECK and non-root user for production readiness.
High-intent search queries and answers about installing and using this skill.
Make Dockerfiles produce smaller and more secure images by using multi-stage builds to separate build tooling from runtime artifacts, ordering layers to maximize cache hits, and applying non-root runtime users with minimal base images.
Order Dockerfile layers by installing dependencies before copying application source code to maximize cache hits, and leverage BuildKit cache mounts to further optimize build performance and reduce redundant downloads.
Avoid leaking credentials during Docker image builds by using BuildKit secrets to securely pass sensitive data, ensuring credentials are not stored in intermediate layers or the final image filesystem.
Docker Compose supports healthchecks, restart policies, and profiles for environment-specific services, alongside guidance on using named volumes versus bind mounts for proper service setups and maintenance.
Debug Docker container images using image inspection, logs, exec shells, and layer analysis, integrating with security scanners like Trivy and Docker Scout to identify vulnerabilities and verify hardening.
Converting a development Dockerfile to a production-ready non-root runtime image benefits from multi-stage builds to discard build tooling, enabling cache-efficient, healthchecked, and CI-friendly deployments for web services.
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