This skill should be used when the user says "containerize", "dockerize", "create dockerfile", "docker setup", "container setup", "arn infra containerize", "infra containerize", "generate docker", "docker compose", "compose setup", "containerize my app", "docker configuration", "create docker-compose", "multi-stage docker", "container config", "dockerize my application", "infra docker", "set up containers", or wants to generate Dockerfiles, docker-compose configurations, and .dockerignore files for their application with security auditing and multi-stage build best practices.