version: "3.7" services: redis: image: redis:latest command: [ "redis-server", "--appendonly", "yes", "--port", "6379" ] volumes: - redis_data:/data networks: - network_public deploy: placement: constraints: - node.role == manager #- node.hostname == worker1 resources: limits: cpus: "0.5" memory: 1024M volumes: redis_data: external: true name: redis_data networks: network_public: external: true name: network_public