docker▌

Docker and Docker Compose patterns for local development, multi-service orchestration, and container security. \n \n Covers multi-stage Dockerfiles with dev, build, and production targets; Docker Compose configuration for web app stacks with PostgreSQL, Redis, and Mailpit; and override files for environment-specific settings \n Includes service discovery via container networking, custom network isolation, and volume strategies (named volumes, bind mounts, anonymous volumes) for data persistence

Advanced Docker containerization expert for multi-stage builds, security hardening, and production deployment patterns. \n \n Covers Dockerfile optimization, multi-stage builds, layer caching, base image selection, and image size reduction strategies \n Provides container security hardening including non-root user configuration, secrets management, and vulnerability scanning \n Handles Docker Compose orchestration with service dependency management, networking, health checks, and resource limits