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icYFTL
Asked:2020-07-17 20:14:35 +0800 CST2020-07-17 20:14:35 +0800 CST

码头工人网络

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docker bridge实际上，我希望我的容器在创建的容器和服务器上都可用localhost。

version: "3"
services:
  server:
    image: zalgo
    build: .
    command: python3 ZalgoBot.py
    ports:
      - 8000:8000
    networks:
      - zalgo_net
    restart: always
    depends_on:
      - gpl
    container_name: zalgo

  gpl:
    image: gpl
    build: GPL
    ports:
      - 7865:7865
    command: python3 GPL.py
    restart: always
    networks:
      zalgo_net:
        ipv4_address: 192.168.127.3
    container_name: gpl
networks:
  zalgo_net:
    driver: bridge
    ipam:
      config:
        - subnet: 192.168.127.0/24

zalgo_net需要服务之间的数据交换，localhost我需要访问服务器才能通过代理直接nginx暴露服务zalgo。

它在网络中很弱，所以我不能说它是否bridge正常工作。我很高兴对网络发表任何评论。

docker-compose

1 个回答

  1. Best Answer

    在docker-compose 版本 3中，当您加注时，构图会自动bridge-network为您的作曲加注。您的服务将开始按名称相互查看。

    您也不需要container_name，因为它会阻止您进行链接。
    如果你想提升 2 个基本实例或 api 怎么办？没门。

    这是一个例子：

    version: '3.7'

services:
  app1:
    image: alpine
    command: ping -c 100 app2
  app2:
    image: alpine
    command: ping -c 100 app1
  app3:
    image: alpine
    command: ping -c 100 app2
    depends_on:
      - app2

    我们执行docker-compose up

    ✗ docker-compose up
Creating network "app_default" with the default driver
Creating app_app1_1 ... done
Creating app_app2_1 ... done
Creating app_app3_1 ... done
Attaching to app_app1_1, app_app2_1, app_app3_1
app2_1  | PING app1 (172.21.0.2): 56 data bytes
app2_1  | 64 bytes from 172.21.0.2: seq=0 ttl=64 time=0.117 ms
app1_1  | PING app2 (172.21.0.3): 56 data bytes
app1_1  | 64 bytes from 172.21.0.3: seq=0 ttl=64 time=0.090 ms
app3_1  | PING app2 (172.21.0.3): 56 data bytes
app3_1  | 64 bytes from 172.21.0.3: seq=0 ttl=64 time=0.267 ms
app1_1  | 64 bytes from 172.21.0.3: seq=1 ttl=64 time=0.209 ms
app2_1  | 64 bytes from 172.21.0.2: seq=1 ttl=64 time=0.567 ms
app3_1  | 64 bytes from 172.21.0.3: seq=1 ttl=64 time=0.259 ms
app1_1  | 64 bytes from 172.21.0.3: seq=2 ttl=64 time=0.243 ms
app2_1  | 64 bytes from 172.21.0.2: seq=2 ttl=64 time=0.179 ms
app3_1  | 64 bytes from 172.21.0.3: seq=2 ttl=64 time=0.369 ms
app1_1  | 64 bytes from 172.21.0.3: seq=3 ttl=64 time=0.179 ms
app2_1  | 64 bytes from 172.21.0.2: seq=3 ttl=64 time=0.144 ms
app3_1  | 64 bytes from 172.21.0.3: seq=3 ttl=64 time=0.141 ms
app1_1  | 64 bytes from 172.21.0.3: seq=4 ttl=64 time=0.245 ms
app2_1  | 64 bytes from 172.21.0.2: seq=4 ttl=64 time=0.214 ms
app3_1  | 64 bytes from 172.21.0.3: seq=4 ttl=64 time=0.129 ms
app1_1  | 64 bytes from 172.21.0.3: seq=5 ttl=64 time=0.188 ms
app2_1  | 64 bytes from 172.21.0.2: seq=5 ttl=64 time=0.189 ms
app3_1  | 64 bytes from 172.21.0.3: seq=5 ttl=64 time=0.137 ms
app1_1  | 64 bytes from 172.21.0.3: seq=6 ttl=64 time=0.395 ms
app2_1  | 64 bytes from 172.21.0.2: seq=6 ttl=64 time=0.143 ms
app3_1  | 64 bytes from 172.21.0.3: seq=6 ttl=64 time=0.219 ms
app1_1  | 64 bytes from 172.21.0.3: seq=7 ttl=64 time=0.133 ms
app2_1  | 64 bytes from 172.21.0.2: seq=7 ttl=64 time=0.188 ms

    在组合中，存在对彼此容器的 ping。app1和app2在启动时立即启动，而app3则等待app2启动，因为它是depends_on。这在日志中可见。

    正如我们发现的那样，容器可以相互协作，因为 docker 创建了network. 该名称取自文件夹名称。

    如何从容器访问主机？
    要从容器中引用主机，可以使用特殊别名docker.for.mac.localhost, docker.for.win.localhost。另一种方法是使用host network.

    关于使用此类容器的便利性，您可以docker kill app1使用代替docker-compose,

    docker-compose down- 删除所有网络、容器
    docker-compose up app3- 提升 app3 容器及其所指的所有内容。
    docker-compose stop app
    docker-compose kill app

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