Docker Build Strategies

Overview

This skill provides rules and patterns for writing and reviewing production-quality Dockerfiles. Apply it when the main task is image-build quality: multi-stage builds, cache behavior, non-root execution, build context hygiene, and runtime image size.

When to use this skill

Activate this skill when:

• Creating a new Dockerfile for any language or framework
• Optimizing an existing Dockerfile for size, speed, or security
• Reviewing a Dockerfile for best-practice compliance
• Adding a .dockerignore file to a project

Do not use this skill when

Do not use this skill when: