使用Docker-Compose来旋转具有不同配置的容器的多个实例 [英] Using Docker-Compose to spin up multiple instances of a container with different configurations
问题描述
是否可以在具有不同配置的同一主机上启动一个容器(不同的 .yml
使用以下命令:
docker-compose -f dev.yml up -d
docker-compose -f qa.yml up -d
只有 qa.yml
容器将运行,这不是我想要的。
- 编辑 -
当我尝试运行这两个命令时,会发生什么。 b
$ b
$ docker-compose -f compose / dev.yml up -d
compose_mydocker_1是最新的
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
905912df6e48 compose_mydocker/ sbin / my_init2天前Up 2天0.0.0.0:1234->80/tcp compose_mydocker_1
$ docker-compose -f compose / qa.yml up -d
重新创建compose_mydocker_1 ...
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3fc912201224 compose_mydocker / sbin / my_init5秒前Up 5秒0.0.0.0:1235->80/tcp compose_mydocker_1
我的 qa.yml
和 dev.yml
如下所示:
mydocker:
build:..
ports:
- 1234:80#for dev.yml
# - qa.yml
的1235:80
- ENVIRONMENT = dev#,反之亦然qa
卷:
- ../assets/images:/var/www/assets
您需要做的是更改项目名称。默认情况下,组合使用基于当前目录命名的项目。在您的情况下,您需要单独的环境,因此您需要不同的项目名称。
可以使用 docker-compose -p< project_name>
或在环境中设置 COMPOSE_PROJECT_NAME
。
还有一些关于提供持续使用项目名称的方法: https://github.com/docker/compose/issues/745
I understand that you can user docker-compose with the scale command to spin up multiple containers. However, they will all have the same configuration used.
Is it possible to launch a container on the same host with different configurations (different .yml
files) on the same host?
Using the following commands:
docker-compose -f dev.yml up -d
docker-compose -f qa.yml up -d
only the qa.yml
container will be running, which is not what I want.
-- edit --
Here's what happens when I try running both commands.
$ docker-compose -f compose/dev.yml up -d
compose_mydocker_1 is up-to-date
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
905912df6e48 compose_mydocker "/sbin/my_init" 2 days ago Up 2 days 0.0.0.0:1234->80/tcp compose_mydocker_1
$ docker-compose -f compose/qa.yml up -d
Recreating compose_mydocker_1...
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3fc912201224 compose_mydocker "/sbin/my_init" 5 seconds ago Up 5 seconds 0.0.0.0:1235->80/tcp compose_mydocker_1
My qa.yml
and dev.yml
look like this:
mydocker:
build: ..
ports:
- "1234:80" #for dev.yml
#- "1235:80" for qa.yml
environment:
- ENVIRONMENT=dev #and vice-versa for qa
volumes:
- ../assets/images:/var/www/assets
What you need to do is change the project name. By default, compose uses a project named based on the current directory. In your case, you want separate environments, so you need different project names.
You can use either docker-compose -p <project_name>
or set COMPOSE_PROJECT_NAME
in the environment.
There is also some discussion about providing a way to persist the project name: https://github.com/docker/compose/issues/745
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