020、搭建本地Registry（2019-01-11 周五）-白红宇

020、搭建本地Registry（2019-01-11 周五）

阅读量：5805 次

发布时间：2019-06-18

本文共 3443 字，大约阅读时间需要 11 分钟。

参考

Docker Hub 虽然方便，但还是有些限制，比如

1、需要Internet连接，上传下载速度慢

2、上传到Docker Hub上的公共镜像任何人都能访问，私有Registry需要收费

3、出于安全原因很多公司不允许将镜像放到外网

最简单的解决方案就是搭建本地Registry（Registry也支持认证和https加密，这里不做讲解）

      root@docker-lab:~/020# 
docker images
      REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE 
      root@docker-lab:~/020# 
docker build -t test020 .    #    构建一个用于测试上传下载的镜像
      Sending build context to Docker daemon  2.048kB 
      Step 1/2 : FROM busybox 
      latest: Pulling from library/busybox 
      57c14dd66db0: Pull complete 
      Digest: sha256:b6e640a3768c460ad6066a003b6da52034c31aaf8500f9263057ddffcd830ef6 
      Status: Downloaded newer image for busybox:latest 
      ---> 3a093384ac30 
      Step 2/2 : CMD echo "Hello www1707" 
      ---> Running in d0817c08cb82 
      Removing intermediate container d0817c08cb82 
      ---> d93c942a1584 
      Successfully built d93c942a1584 
      Successfully tagged test020:latest 
      root@docker-lab:~/020# docker images 
      REPOSITORY          TAG                 IMAGE ID            CREATED              SIZE 
      test020             latest              d93c942a1584        About a minute ago   1.2MB 
      busybox             latest              3a093384ac30        12 days ago          1.2MB 
      root@docker-lab:~/020# 
docker run -d -p 5000:5000 -v /myregistry:/var/lib/registry registry:2Unable to find image 'registry:2' locally    #    运行本地Registry容器
      2: Pulling from library/registry 
      cd784148e348: Pull complete 
      0ecb9b11388e: Pull complete 
      918b3ddb9613: Pull complete 
      5aa847785533: Pull complete 
      adee6f546269: Pull complete 
      Digest: sha256:1cd9409a311350c3072fe510b52046f104416376c126a479cef9a4dfe692cf57 
      Status: Downloaded newer image for registry:2 
      f9e7d22e21d6e0c03b146a3e2100c135c14203308c4323b0673c45eaea97030d 
      root@docker-lab:~/020# 
docker images
      REPOSITORY          TAG                 IMAGE ID            CREATED              SIZE 
      test020             latest              d93c942a1584        About a minute ago   1.2MB 
      registry            2                   33fbbf4a24e5        9 days ago           24.2MB 
      busybox             latest              3a093384ac30        12 days ago          1.2MB 
      root@docker-lab:~/020# 
docker tag test020:latest 127.0.0.1:5000/www1707/test020:v1    #    为上传镜像打tag
      root@docker-lab:~/020# 
docker images
      REPOSITORY                       TAG                 IMAGE ID            CREATED             SIZE 
      127.0.0.1:5000/www1707/test020   v1                  d93c942a1584        3 minutes ago       1.2MB 
      test020                          latest              d93c942a1584        3 minutes ago       1.2MB 
      registry                         2                   33fbbf4a24e5        9 days ago          24.2MB 
      busybox                          latest              3a093384ac30        12 days ago         1.2MB 
      root@docker-lab:~/020# 
docker push 127.0.0.1:5000/www1707/test020:v1    #    上传镜像
      The push refers to repository [127.0.0.1:5000/www1707/test020] 
      683f499823be: Pushed 
      v1: digest: sha256:b3d65da9455ca71f2bc2d2e1343a1ad1058829b027eee576976becc5ecdce8af size: 527 
      root@docker-lab:~/020# 
docker rmi 127.0.0.1:5000/www1707/test020:v1    #    删掉本地镜像
      Untagged: 127.0.0.1:5000/www1707/test020:v1 
      Untagged: 127.0.0.1:5000/www1707/test020@sha256:b3d65da9455ca71f2bc2d2e1343a1ad1058829b027eee576976becc5ecdce8af 
      root@docker-lab:~/020# docker rmi test020:latest 
      Untagged: test020:latest 
      Deleted: sha256:d93c942a158487248506ac545d33f6fc27c7af29960a5b139e2ef4510b39f37b 
      root@docker-lab:~/020# 
docker images
      REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE 
      registry            2                   33fbbf4a24e5        9 days ago          24.2MB 
      busybox             latest              3a093384ac30        12 days ago         1.2MB 
      root@docker-lab:~/020# 
docker pull 127.0.0.1:5000/www1707/test020:v1    #    下载镜像测试
      v1: Pulling from www1707/test020 
      57c14dd66db0: Already exists 
      Digest: sha256:b3d65da9455ca71f2bc2d2e1343a1ad1058829b027eee576976becc5ecdce8af 
      Status: Downloaded newer image for 127.0.0.1:5000/www1707/test020:v1 
      root@docker-lab:~/020# 
docker images
      REPOSITORY                       TAG                 IMAGE ID            CREATED             SIZE 
      127.0.0.1:5000/www1707/test020   v1                  d93c942a1584        4 minutes ago       1.2MB 
      registry                         2                   33fbbf4a24e5        9 days ago          24.2MB 
      busybox                          latest              3a093384ac30        12 days ago         1.2MB 