1. version: "3"
    2. services:
    4.   redis:
    5.     image: redis:alpine
    6.     ports:
    7.       - "6379"
    8.     networks:
    9.       - frontend
    10.     deploy:
    11.       replicas: 2
    12.       update_config:
    13.         parallelism: 2
    14.         delay: 10s
    15.       restart_policy:
    16.         condition: on-failure
    18.   db:
    19.     image: postgres:9.4
    20.     volumes:
    21.       - db-data:/var/lib/postgresql/data
    22.     networks:
    23.       - backend
    24.     deploy:
    25.       placement:
    26.         constraints: [node.role == manager]
    28.   vote:
    29.     image: dockersamples/examplevotingapp_vote:before
    30.     ports:
    31.       - 5000:80
    32.     networks:
    33.       - frontend
    34.     depends_on:
    35.       - redis
    36.     deploy:
    37.       replicas: 2
    38.       update_config:
    39.         parallelism: 2
    40.       restart_policy:
    41.         condition: on-failure
    43.   result:
    44.     image: dockersamples/examplevotingapp_result:before
    45.     ports:
    46.       - 5001:80
    47.     networks:
    48.       - backend
    49.     depends_on:
    50.       - db
    51.     deploy:
    52.       replicas: 1
    53.       update_config:
    54.         parallelism: 2
    55.         delay: 10s
    56.       restart_policy:
    57.         condition: on-failure
    59.   worker:
    60.     image: dockersamples/examplevotingapp_worker
    61.     networks:
    62.       - frontend
    63.       - backend
    64.     deploy:
    65.       mode: replicated
    66.       replicas: 1
    67.       labels: [APP=VOTING]
    68.       restart_policy:
    69.         condition: on-failure
    70.         delay: 10s
    71.         max_attempts: 3
    72.         window: 120s
    73.       placement:
    74.         constraints: [node.role == manager]
    76.   visualizer:
    77.     image: dockersamples/visualizer:stable
    78.     ports:
    79.       - "8080:8080"
    80.     stop_grace_period: 1m30s
    81.     volumes:
    82.       - "/var/run/docker.sock:/var/run/docker.sock"
    83.     deploy:
    84.       placement:
    85.         constraints: [node.role == manager]
    87. networks:
    88.   frontend:
    89.   backend:
    91. volumes:
    92.   db-data:

    新增并启动 example
    docker stack deploy example —compose-file=docker-compose.yml

    image.png

    查看 example services详情
    docker stack ps example
    image.png

    查看 example services信息
    docker stack services example
    image.png

    投票：http://10.211.55.6:5000/
    结果：http://10.211.55.6:5001/
    services可视化分析：http://10.211.55.6:8080/