version: "3.6" services: elasticsearch: environment: - bootstrap.memory_lock=true - "ES_JAVA_OPTS=-Xms512m -Xmx512m" - "discovery.type=single-node" ulimits: memlock: soft: -1 hard: -1 nofile: soft: 65536 hard: 65536 deploy: placement: constraints: [node.role == manager] resources: limits: memory: 1000M kibana: deploy: placement: constraints: [node.role == manager]