如何从github仓库构建docker镜像 [英] How to build docker image from github repository

问题描述

在官方文档中我们可以看到：

In official docs we can see:

# docker build github.com/creack/docker-firefox

对我来说很好。 docker-firefox 是一个存储库，并且在根目录中有 Dockerfile 。

然后我要buid redis映像和确切版本2.8.10：

It just works fine to me. docker-firefox is a repository and has Dockerfile within root dir.
Then I want to buid redis image and exact version 2.8.10 :

# docker build github.com/docker-library/redis/tree/99c172e82ed81af441e13dd48dda2729e19493bc/2.8.10
2014/11/05 16:20:32 Error trying to use git: exit status 128 (Initialized empty Git repository in /tmp/docker-build-git067001920/.git/
error: The requested URL returned error: 403 while accessing https://github.com/docker-library/redis/tree/99c172e82ed81af441e13dd48dda2729e19493bc/2.8.10/info/refs

fatal: HTTP request failed
)

我在上面遇到了错误。

I got error above. What's the right format with build docker image from github repos?

推荐答案

docker build uri＃ref：dir是什么格式？

Git URL在其片段部分接受上下文配置，
用冒号分隔：。第一部分代表
Git将检出的引用，它可以是分支，标签或提交
SHA。第二部分表示存储库
中的一个子目录，该子目录将用作构建上下文。

Git URLs accept context configuration in their fragment section, separated by a colon :. The first part represents the reference that Git will check out, this can be either a branch, a tag, or a commit SHA. The second part represents a subdirectory inside the repository that will be used as a build context.

例如，运行此命令以使用一个名为docker的目录，
分支容器：

For example, run this command to use a directory called docker in the branch container:

docker build https://github.com/docker/rootfs.git#container:docker

https://docs.docker.com/engine/reference/commandline/build/

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