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docker-compose 重建一个服务的镜像并使用它

[英]docker-compose rebuild image of one service and use it

 原文  2021-01-25 20:04:32  0   1    docker/ docker-compose

问题描述

I'm trying to get docker-compose to:我试图让 docker-compose 到：

  • rebuild the image of a certain service (only source code has changed, not the Dockerfile)重建某个服务的镜像（只有源代码改变了，Dockerfile没有）
  • re-"up" just that service within docker-compose, using the new image使用新映像在 docker-compose 中重新“升级”该服务

I find I have to perform a docker build on that service's Dockerfile, then perform a docker-compose up <service-name> for the new image to be used.我发现我必须在该服务的 Dockerfile 上执行docker build ，然后对要使用的新图像执行docker-compose up <service-name> 。

Is there a way I can do this just using docker-compose?有没有办法只使用 docker-compose 来做到这一点？

Below is the long meandering path I took to get the new image to be used in docker-compose.下面是我为获得要在 docker-compose 中使用的新图像而采取的漫长曲折路径。

Journey to get docker-compose to use new image docker-compose使用新镜像之旅

This is the current docker-compose setup.这是当前的 docker-compose 设置。

 Container          Repository          Tag       Image Id       Size
-----------------------------------------------------------------------
books-server   books-server            v06      c35c65375942   13.37 MB
hasura-proxy   hasura/graphql-engine   v1.3.2   a499c4b91ba4   48.34 MB
nginx-proxy    jwilder/nginx-proxy     latest   fcb5a96e19c1   160.6 MB
postgres       postgres                12       7b9cf7d827b4   314 MB

I make a change to books-server , the underlying source code, which gets compiled into an executable, and I want that image rebuilt and used in docker-compose.我对books-server进行了更改，底层源代码被编译成可执行文件，我希望重建该图像并在 docker-compose 中使用。

If I issue a:如果我发出：

> docker-compose up --detach --build books-server

Result:结果：

books-server is up-to-date

Try:尝试：

> docker-compose build --no-cache books-server

Result:结果：

books-server uses an image, skipping

Try:尝试：

> docker-compose up --build --no-deps --force-recreate -d books-server

Result:结果：

Recreating books-server ... done

Check:查看：

> docker-compose images

Result结果

 Container          Repository          Tag       Image Id       Size
-----------------------------------------------------------------------
books-server   books-server            v06      c35c65375942   13.37 MB
hasura-proxy   hasura/graphql-engine   v1.3.2   a499c4b91ba4   48.34 MB
nginx-proxy    jwilder/nginx-proxy     latest   fcb5a96e19c1   160.6 MB
postgres       postgres                12       7b9cf7d827b4   314 MB

Image id of books-server is still c35c65375942图书服务器的图像 id 仍然是c35c65375942

Try:尝试：

> docker-compose restart books-server
Restarting books-server ... done

Check images:检查图像：

Still using image Id c35c65375942仍在使用图像 ID c35c65375942

> docker-compose images

 Container          Repository          Tag       Image Id       Size
-----------------------------------------------------------------------
books-server   books-server            v06      c35c65375942   13.37 MB
hasura-proxy   hasura/graphql-engine   v1.3.2   a499c4b91ba4   48.34 MB
nginx-proxy    jwilder/nginx-proxy     latest   fcb5a96e19c1   160.6 MB
postgres       postgres                12       7b9cf7d827b4   314 MB

Try:尝试：

I change to the books-server directory, perform a docker build on its Dockerfile using the same tag ( books-server:v06 )我更改为 books-server 目录，使用相同的标签（ books-server:v06 ）在其 Dockerfile 上执行 docker 构建

> cd ..\books-server\
> docker build -t books-server:v06 .

Result:结果：

A new image is built 55ea56a70aa9 and tagged构建一个新图像55ea56a70aa9并标记

Sending build context to Docker daemon  73.43MB
Step 1/21 : FROM google/dart-runtime-base AS dart-runtime
...<snip>...
Removing intermediate container bff4c43f6bf0
 ---> 55ea56a70aa9
Successfully built 55ea56a70aa9
Successfully tagged books-server:v06

I check docker images :我检查docker images ：

And see the tag has been removed from image c35c65375942 and given to 55ea56a70aa9并看到标签已从图像c35c65375942中删除并提供给55ea56a70aa9

> docker images

REPOSITORY                        TAG                 IMAGE ID            CREATED              SIZE
<none>                            <none>              d50d6ccf14a1        About a minute ago   798MB
books-server                      v06                 55ea56a70aa9        About a minute ago   13.4MB
<none>                            <none>              c35c65375942        31 minutes ago       13.4MB

I check docker-compose images :我检查docker-compose images ：

 Container          Repository          Tag       Image Id       Size
-----------------------------------------------------------------------
books-server   <none>                  <none>   c35c65375942   13.37 MB
hasura-proxy   hasura/graphql-engine   v1.3.2   a499c4b91ba4   48.34 MB
nginx-proxy    jwilder/nginx-proxy     latest   fcb5a96e19c1   160.6 MB
postgres       postgres                12       7b9cf7d827b4   314 MB

books-server is still using the old image, now running anonymously, since the image tag has been reappropriated to 55ea56a70aa9图书服务器仍在使用旧图像，现在匿名运行，因为图像标签已被重新分配为55ea56a70aa9

I try a restart of the service in docker-compose:我尝试在 docker-compose 中重新启动服务：

> docker-compose restart books-server
Restarting books-server ... done

I check docker-compose images, and see the old image c35c65375942 still being used.我检查了 docker-compose 图像，发现旧图像c35c65375942仍在使用中。

 Container          Repository          Tag       Image Id       Size
-----------------------------------------------------------------------
books-server   <none>                  <none>   c35c65375942   13.37 MB
hasura-proxy   hasura/graphql-engine   v1.3.2   a499c4b91ba4   48.34 MB
nginx-proxy    jwilder/nginx-proxy     latest   fcb5a96e19c1   160.6 MB
postgres       postgres                12       7b9cf7d827b4   314 MB

I re-up docker-compose and finally see the new image ( 55ea56a70aa9 ) in use:我重新启动 docker-compose 并最终看到正在使用的新图像（ 55ea56a70aa9 ）：

> docker-compose up -d books-server
Recreating books-server ... done
> docker-compose images
 Container          Repository          Tag       Image Id       Size
-----------------------------------------------------------------------
books-server   books-server            v06      55ea56a70aa9   13.37 MB
hasura-proxy   hasura/graphql-engine   v1.3.2   a499c4b91ba4   48.34 MB
nginx-proxy    jwilder/nginx-proxy     latest   fcb5a96e19c1   160.6 MB
postgres       postgres                12       7b9cf7d827b4   314 MB

Summary概括

Is there a docker-compose command that can rebuild the service image and restart that service or must it be done using a docker build Dockerfile and docker-compose up <service> ? Is there a docker-compose command that can rebuild the service image and restart that service or must it be done using a docker build Dockerfile and docker-compose up <service> ?

Thanks for any insights.感谢您的任何见解。

1 个解决方案

解决方案1
 2  2021-01-25 21:31:06

Thanks to timsmelik comment I realized I wasn't using a build: directive in my books-server service in docker-compose.yml and only a tagged image name, which docker-compose doesn't easily replace/use when a new version is produced.感谢 timsmelik 评论，我意识到我没有在 docker-compose.yml 的books-server服务中使用build:指令，并且只有一个标记的图像名称，docker-compose 在生产新版本时不容易替换/使用。

Removing the image: directive and replacing it with a relative build: target, a simple docker-compose up --build -d books-server is rebuilding the service and using it within the docker-compose project.删除image:指令并将其替换为相对build:目标，一个简单的docker-compose up --build -d books-server正在重建服务并在 docker-compose 项目中使用它。

  books-server:
    # ↓ new build directive
    build: ../books-server
    # ↓ old image directive, removed
    # image: books-server:v06
    container_name: books-server
    <other settings>...

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