生命在于编程

生命不息,编程不止

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Docker compose 用法

Docker compose 用法

原来的代码如下:

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$ docker run -d --name redmine-name -v /root/redmine/files:/usr/src/redmine/files --link com-postgres:postgres -p 3000:3000 redmine
...

看起来不直观,修改容易出错
改成用docker compose

docker-compose 命令默认使用的配置文件是当前目录中的 docker-compose.yml 文件,当然我们可以通过 -f 选项指定一个其它名称的配置文件,比如:

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$ docker-compose -f docker-compose-dev.yml up

常见的docker-compose.yml文件如下:

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version: '3'
services:
redmine:
image: "redmine:4.1"
container_name: redmine-name
hostname: redmine-name
ports:
- "3000:3000"
volumes:
- /root/redmine/config/configuration.yml:/usr/src/redmine/config/configuration.yml
- /root/redmine/config/database.yml:/usr/src/redmine/config/database.yml
- /root/redmine/files:/usr/src/redmine/files
- /root/redmine/plugins:/usr/src/redmine/plugins
links:
- "db"
db:
image: "postgres"
container_name: "com-postgres"
hostname: "com-postgres"
volumes:
- /root/postgres/datadir:/var/lib/postgresql/data
environment:
- POSTGRES_USER=redmine
- POSTGRES_PASSWORD=secret

最后启动和停止

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$ docker-compose up -d
$ docker-compose down