services: mail-admin: build: . ports: - "3000:3000" environment: - DATABASE_URL=postgresql://postgres:password@postgres:5433/mydb?schema=public # ... deine bestehenden Env-Vars (AWS, SMTP, APP_PASSWORD) depends_on: - postgres postgres: image: postgres:latest restart: always environment: POSTGRES_USER: postgres POSTGRES_PASSWORD: fiesta # Ändere das! POSTGRES_DB: mydb ports: - "5433:5432" volumes: - postgres-data:/var/lib/postgresql/data volumes: postgres-data: