Docker Compose Generator
Prompt
Generate a docker-compose.yml for: Application: {application}. Services needed: {services}. Environment: {environment}. Requirements: {requirements}. Include: service definitions with proper images, environment variables (using .env references), volumes for persistence, networks for isolation, health checks, restart policies, and resource limits. Add comments explaining key decisions.Variables
application
services
environment
requirements
About This Prompt
Generate Docker Compose configurations from application stack descriptions with best practices.
Example Output
```yaml
# docker-compose.yml — Next.js + PostgreSQL + Redis
version: '3.8'
services:
app:
build:
context: .
dockerfile: Dockerfile
ports:
- '3000:3000'
environment:
- DATABASE_URL=postgresql://app:$${DB_PASSWORD}@db:5432/myapp
- REDIS_URL=redis://cache:6379
depends_on:
db:
condition: service_healthy
cache:
condition: service_started
restart: unless-stopped
volumes:
- ./:/app
- /app/node_modules
db:
image: postgres:16-alpine
environment:
POSTGRES_DB: myapp
POSTGRES_USER: app
POSTGRES_PASSWORD: $${DB_PASSWORD}
volumes:
- pgdata:/var/lib/postgresql/data
healthcheck:
test: ['CMD-SHELL', 'pg_isready -U app -d myapp']
interval: 5s
retries: 5
restart: unless-stopped
cache:
image: redis:7-alpine
restart: unless-stopped
volumes:
pgdata:
```
Usage Tips
- Use Alpine images for smaller footprint
- Always add health checks for databases
- Reference secrets via .env file
- Pin image versions for reproducibility