Define services using Docker Compose syntax. Databases, caches, APIs—anything that runs in a container can be deployed to your environment.
services:
postgres:
image: postgres:16
ports:
- "5432:5432"
environment:
POSTGRES_PASSWORD: ${DB_PASSWORD}
volumes:
- postgres_data:/var/lib/postgresql/data
redis:
image: redis:7-alpine
ports:
- "6379:6379"
volumes:
postgres_data:Images
Ports
Named Volumes
Persist data across restarts
Services communicate using service names as hostnames. DNS resolution is automatic.