version: '3.8' services: backend: build: . ports: - "3000:3000" environment: - DATABASE_URL=postgres://dbadmin:Passw0rd123@postgres:5432/mydb - PORT=3000 depends_on: - postgres postgres: image: postgres:16 environment: - POSTGRES_USER=dbadmin - POSTGRES_PASSWORD=Passw0rd123! - POSTGRES_DB=backupdb volumes: - postgres_data:/var/lib/postgresql/data ports: - "5432:5432" volumes: postgres_data: