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小編給大家分享一下Docker-compose networks的示例分析,相信大部分人都還不怎么了解,因此分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后大有收獲,下面讓我們一起去了解一下吧!
(系統(tǒng):Centos 7.4 ,docker 版本:18.03.1-ce, docker-compose version 1.18.0)
cat docker-compose.yml version: '3' services: test1: image: busybox:latest # 鏡像為 busybox entrypoint: # 容器啟動(dòng)后執(zhí)行 top 命令,使容器沒(méi)法立即退出 - top networks: backend: # 使用指定的網(wǎng)絡(luò) backend, 并且設(shè)置網(wǎng)絡(luò)別名為 test1, aliases: # 設(shè)置網(wǎng)絡(luò)別名后,可以在其他容器中 ping test1 訪問(wèn)到該容器 - test1 test2: image: busybox:latest entrypoint: - top networks: backend: aliases: - test2 networks: backend:
啟動(dòng)
docker-compose up -d docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 4d05ceb2088d busybox:latest "top" 5 seconds ago Up 4 seconds ibaboss_test2_1 f4ccafa24664 busybox:latest "top" 5 seconds ago Up 4 seconds ibaboss_test1_1 docker exec -it 4d05ceb2088d /bin/sh / # ping test1 PING test1 (172.19.0.2): 56 data bytes 64 bytes from 172.19.0.2: seq=0 ttl=64 time=0.061 ms 64 bytes from 172.19.0.2: seq=1 ttl=64 time=0.062 ms ping ibaboss_test1_1 PING ibaboss_test1_1 (172.19.0.2): 56 data bytes 64 bytes from 172.19.0.2: seq=0 ttl=64 time=0.045 ms 64 bytes from 172.19.0.2: seq=1 ttl=64 time=0.056 ms 64 bytes from 172.19.0.2: seq=2 ttl=64 time=0.061 ms # 在網(wǎng)絡(luò)中可以通過(guò) 容器名字或者網(wǎng)絡(luò)的別名 進(jìn)行通信
Compose 的容器名稱格式是:<項(xiàng)目名稱><服務(wù)名稱><序號(hào)>
雖然可以自定義項(xiàng)目名稱、服務(wù)名稱,但是如果你想完全控制容器的命名,可以使用這個(gè)標(biāo)簽指定:
container_name: app cat docker-compose_v1.yml version: '3' services: test1: image: busybox:latest entrypoint: - top container_name: test1 networks: - backend test2: image: busybox:latest entrypoint: - top container_name: test2 networks: - backend networks: backend:
啟動(dòng)
docker-compose -f docker-compose_v1.yml up -d docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 132859fc77c2 busybox:latest "top" About a minute ago Up About a minute test2 cd0a78dc9bd4 busybox:latest "top" About a minute ago Up About a minute test1 docker exec -it 132859fc77c2 ping test1 PING test1 (172.19.0.2): 56 data bytes 64 bytes from 172.19.0.2: seq=0 ttl=64 time=0.070 ms 64 bytes from 172.19.0.2: seq=1 ttl=64 time=0.068 ms 64 bytes from 172.19.0.2: seq=2 ttl=64 time=0.059 ms
補(bǔ)充:
docker compose 多容器共用網(wǎng)絡(luò)問(wèn)題
前幾天計(jì)劃使用docker compose 編寫一個(gè)多容器共用一個(gè)容器網(wǎng)絡(luò),結(jié)果總是報(bào)錯(cuò),今天又試了一下才發(fā)現(xiàn)是端口綁定的問(wèn)題造成的,端口只能綁定在產(chǎn)生網(wǎng)卡的容器上,綁定在其它窗口上就會(huì)報(bào)錯(cuò),如下代碼 mysql服務(wù)共用了nginx的網(wǎng)卡,在mysql里使用了port:3306時(shí)就會(huì)運(yùn)行失敗,將3306移到nginx上啟動(dòng)就成功了。
version: '3.3' services: nginx: image: "lnp_php" # container_name: "lnmp_nginx" ports: - "80:80" - "443:443" - "3306:3306" expose: - "3306" volumes: - /home/www/php:/home/www:rw # depends_on: # - mysql # links: # - mysql mysql: image: "mysql" # container_name: "lnmp_mysql" # ports: # - "3306:3306" # expose: # - "3306" volumes: - /home/docker/conf/mysql_w:/etc/mysql:rw environment: - MYSQL_ROOT_PASSWORD=123456 depends_on: - nginx network_mode: "service:nginx"
以上是“Docker-compose networks的示例分析”這篇文章的所有內(nèi)容,感謝各位的閱讀!相信大家都有了一定的了解,希望分享的內(nèi)容對(duì)大家有所幫助,如果還想學(xué)習(xí)更多知識(shí),歡迎關(guān)注億速云行業(yè)資訊頻道!
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