Docker Compose je víc než “docker compose up”. Tady je 10 pokročilých technik.

1. Profiles¶

services:
debug:
profiles: [debug]

docker compose –profile debug up¶

2. YAML anchors¶

x-common: &common
restart: unless-stopped
services:
app:
<<: *common

3. Health checks + depends_on¶

services:
db:
healthcheck:
test: [“CMD-SHELL”, “pg_isready”]
app:
depends_on:
db: { condition: service_healthy }

4. Env files¶

env_file: [.env, .env.local]

5. Named volumes¶

volumes:
pgdata:
services:
db:
volumes: [“pgdata:/var/lib/postgresql/data”]

6. Internal networks¶

networks:
backend: { internal: true }

7. Resource limits¶

deploy:
resources:
limits: { memory: 512M, cpus: “1.0” }

8. Multi-file compose¶

docker compose -f compose.yml -f compose.prod.yml up

9. Init containers¶

migrate:
command: [“python”, “manage.py”, “migrate”]
app:
depends_on:
migrate: { condition: service_completed_successfully }

10. Watch mode¶

develop:
watch:
- action: sync
path: ./src
target: /app/src

Tip¶

Profiles pro dev/prod, health checks pro pořadí startu, YAML anchors proti duplicitě.