Docker Patterns

Covers the Docker Compose patterns you actually need for local development: multi-stage Dockerfiles that separate dev from production builds, service dependency management with health checks, volume strategies that preserve your node_modules while enabling hot reload, and network isolation between frontend and backend services. The examples are practical (complete postgres and redis setups, debugging commands, proper secret handling) and it includes the security hardening steps people usually skip until something breaks. Especially useful if you're moving a project into containers or debugging why your database connection works locally but not in Docker.

skills.sh installs: 7.7K
GitHub stars: 300.3K
last updated: Aug 21, 2026

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Install

$ npx -y skills add affaan-m/ecc --skill docker-patterns --agent claude-code

Installs into .claude/skills of the current project.

Files

Docker Patterns

Docker and Docker Compose best practices for containerized development.

Docker Compose for Local Development

Standard Web App Stack

# docker-compose.yml
services:
  app:
    build:
      context: .
      target: dev                     # Use dev stage of multi-stage Dockerfile
    ports:
      - "3000:3000"
    volumes:
      - .:/app                        # Bind mount for hot reload
      - /app/node_modules             # Anonymous volume -- preserves container deps
    environment:
      - DATABASE_URL=postgres://postgres:postgres@db:5432/app_dev
      - REDIS_URL=redis://redis:6379/0
      - NODE_ENV=development
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_started
    command: npm run dev

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