(LINUX) LINUX (2021)

Tune Docker Registry (continue)

1. Install docker registry

# sudo docker run -d -p 5000:5000 --restart always --name registry registry:2
# sudo docker ps

2. Read image from docker.io, rename and push it to own private registry.

# sudo docker pull alexev275/coinbase
# sudo docker image ls -a
# sudo docker image tag alexev275/coinbase:latest localhost:5000/coinbase:latest
# sudo docker push localhost:5000/coinbase:latest

3. Explore Registry API - read image catalog, hash and layers.

# sudo curl -v http://localhost:5000/v2/_catalog
# sudo curl -v http://localhost:5000/v2/coinbase/tags/list
# sudo curl -v http://localhost:5000/v2/coinbase/manifests/latest

4. Connect to Docker API with Docker.Registry.DotNet

Full code uploaded to https://github.com/Alex-1347/DockerRegistryWrapper.


   1:      Sub Main(args As String())
   2:          'prepare password
   3:          'Console.Write("pass to be encrypted>")
   4:          'Dim Pass1 = Console.ReadLine
   5:          'Console.Write("encrypted string>")
   6:          'Dim Pass2 = Console.ReadLine
   7:          'Console.Write(EncryptString(Pass1, Pass2))
   8:          'End
   9:          Console.Write("Password>")
  10:          Dim RegistryConfig = New RegistryClientConfiguration(My.Resources.URL)
  11:          Dim AU As AuthenticationProvider = New PasswordOAuthAuthenticationProvider(My.Resources.Login, DecryptString(My.Resources.Pass, ReadPassword()))
  12:          Dim Registry As Registry.IRegistryClient
  13:          Try
  14:              Registry = RegistryConfig.CreateClient(AU)
  15:          Catch ex As Exception
  16:              Console.WriteLine(ex.Message)
  17:          End Try
  18:          Dim Catalog As Models.Catalog = Registry.Catalog.GetCatalogAsync().Result
  19:          Catalog.Repositories.ToList.ForEach(Sub(X)
  20:                                                  Dim Manifest As Models.GetImageManifestResult = Registry.Manifest.GetManifestAsync(X, "latest").Result
  21:                                                  Console.WriteLine($"{String.Format("{0,-20}", X)}  {Manifest.DockerContentDigest}")
  22:                                              End Sub
  23:                  )
  24:          Console.ReadLine()
  25:      End Sub


5. Continue reading - Protect Docker Registry by Nginx.



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