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我是 docker swarm 和 docker compose 的新手。

我构建了一个使用 nginx 和烧瓶 docker 容器的应用程序。nginx 充当反向代理。

当我使用 docker compose 构建整个应用程序时，一切正常

我的 docker-compose.yml 文件

version: '2'

services:
  web:
    restart: always
    build: ./web
    image: shivanand3939/web
    expose:
      - "8000"
    volumes:
      - ./output:/usr/src/app/static
    command: /usr/local/bin/gunicorn -w 2 -b :8000 --access-logfile - classifierv2RestEndPoint_ridge_NB:create_app()

  nginx:
    build: ./nginx/
    image: shivanand3939/nginx
    ports:
      - "80:80"
    volumes:
      - /www/static
    volumes_from:
      - web
    links:
      - web:web

  viz:
    image: dockersamples/visualizer
    ports:
      - 8080:8080/tcp
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - "constraint=node.role==manager"

下面是我的输出：

在此处输入图像描述

但是，现在我想通过在 3 个 AWS 实例中部署它来提升它

这是我的 docker-stack.yml 文件

version: '3'

networks:
  mybridge:

services:
  web:
    restart: always
    build: ./web
    image: shivanand3939/web
    expose:
      - "8000"
    volumes:
      - ./output:/usr/src/app/static
    command: /usr/local/bin/gunicorn -w 2 -b :8000 --access-logfile - classifierv2RestEndPoint_ridge_NB:create_app()   
    networks:
      mybridge:
        aliases:
          - web
    deploy:
      replicas: 2
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: on-failure

  nginx:
    restart: always
    build: ./nginx/
    image: shivanand3939/nginx
    ports:
      - "80:80"
    volumes:
      - /www/static
    networks:
      - mybridge
    deploy:
      replicas: 1
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: on-failure

  viz:
    image: dockersamples/visualizer
    ports:
      - 8080:8080/tcp
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    deploy:
      placement:
        constraints: [node.role == manager]

但是现在当我部署这个应用程序并检查我得到这个的 URL

[不正确的主页]

在此处输入图像描述

我不明白为什么在第一种情况下 web 和 nginx 容器之间存在通信，但在第二种情况下，这种通信停止了。

谁能指导我这个

更新 1：

在查看我看到的 nginx 服务日志时，

classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 2017/09/11 06:49:50 [error] 5#5: *10 "/usr/share/nginx/html/phpmyadmin2013/index.html" is not found (2: No such file or directory), client: 10.255.0.2, server: localhost, request: "HEAD http://35.154.66.136:80/phpmyadmin2013/ HTTP/1.1", host: "35.154.66.136"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 10.255.0.2 - - [11/Sep/2017:06:49:50 +0000] "HEAD http://35.154.66.136:80/phpmyadmin2014/ HTTP/1.1" 404 0 "-" "Mozilla/5.0 Jorgee" "-"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 2017/09/11 06:49:50 [error] 5#5: *10 "/usr/share/nginx/html/phpmyadmin2014/index.html" is not found (2: No such file or directory), client: 10.255.0.2, server: localhost, request: "HEAD http://35.154.66.136:80/phpmyadmin2014/ HTTP/1.1", host: "35.154.66.136"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 10.255.0.2 - - [11/Sep/2017:06:49:51 +0000] "HEAD http://35.154.66.136:80/phpmyadmin2016/ HTTP/1.1" 404 0 "-" "Mozilla/5.0 Jorgee" "-"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 2017/09/11 06:49:51 [error] 5#5: *16 "/usr/share/nginx/html/phpmyadmin2016/index.html" is not found (2: No such file or directory), client: 10.255.0.2, server: localhost, request: "HEAD http://35.154.66.136:80/phpmyadmin2016/ HTTP/1.1", host: "35.154.66.136"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 2017/09/11 06:49:52 [error] 5#5: *17 "/usr/share/nginx/html/phpmyadmin2017/index.html" is not found (2: No such file or directory), client: 10.255.0.2, server: localhost, request: "HEAD http://35.154.66.136:80/phpmyadmin2017/ HTTP/1.1", host: "35.154.66.136"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 10.255.0.2 - - [11/Sep/2017:06:49:52 +0000] "HEAD http://35.154.66.136:80/phpmyadmin2017/ HTTP/1.1" 404 0 "-" "Mozilla/5.0 Jorgee" "-"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 10.255.0.2 - - [11/Sep/2017:06:49:55 +0000] "HEAD http://35.154.66.136:80/phpmyadmin2018/ HTTP/1.1" 404 0 "-" "Mozilla/5.0 Jorgee" "-"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 2017/09/11 06:49:55 [error] 5#5: *18 "/usr/share/nginx/html/phpmyadmin2018/index.html" is not found (2: No such file or directory), client: 10.255.0.2, server: localhost, request: "HEAD http://35.154.66.136:80/phpmyadmin2018/ HTTP/1.1", host: "35.154.66.136"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 10.255.0.2 - - [11/Sep/2017:06:49:57 +0000] "HEAD http://35.154.66.136:80/phpmanager/ HTTP/1.1" 404 0 "-" "Mozilla/5.0 Jorgee" "-"
classifierbot_nginx.1.qhi4b9c1yc3n@ip-172-31-16-132    | 2017/09/11 06:49:57 [error] 5#5: *19 "/usr/share/nginx/html/phpmanager/index.html" is not found (2: No such file or directory), client: 10.255.0.2, server: localhost, request: "HEAD http://35.154.66.136:80/phpmanager/ HTTP/1.1", host: "35.154.66.136"
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