expected_detectors: [] expected_categories: [] expected_min_count: 0 label: "true-negative" description: "Clean Docker skill with legitimate container commands"

Docker Guide

Best practices for containerizing applications.

Dockerfile

• Use multi-stage builds to reduce image size
• Pin base image versions for reproducibility
• Copy dependency files before source code for better caching
• Run as non-root user in production

Compose

Define services in docker-compose.yml. Use named volumes for persistent data. Set resource limits on all services.

Common Commands

docker build -t myapp .
docker run -p 3000:3000 myapp
docker compose up -d
docker compose logs -f

Keep images small. Scan for vulnerabilities before deploying.