dockerfile

@ysmsimon

Write, explain, debug, and optimise Dockerfiles and docker-compose.yml files for any language or stack. Use this skill whenever the user wants to containerise an application, write a Dockerfile, set up docker-compose, configure environment variables in containers, set up multi-stage builds, reduce image size, fix Docker build errors, or debug container networking issues. Trigger on words like "Dockerfile", "docker-compose", "containerise", "container", "docker build", "image size", "port", or "volume".