Dotnet-docker: Lack of 3.0.100-preview3 images on dockerhub

[szymongaertig]

Steps to reproduce the issue

1. docker pull microsoft/dotnet:3.0.100-preview3-apline-sdk

Expected behavior

Pulling image

Actual behavior

Error response from daemon: manifest for microsoft/dotnet:3.0.100-preview3-apline-sdk not found

Additional information (e.g. issue happens only occasionally)

On docker hub page about dotnetcore there is information about 3.0.100-preview3 tag (https://hub.docker.com/_/microsoft-dotnet-core-sdk/), but this image is not available on the registry. List downloaded from https://registry.hub.docker.com/v1/repositories/microsoft/dotnet/tags doesn't contain this docker image.

Output of docker version

Docker version 18.09.0, build 4d60db4

[MichaelSimons]

@garfieldos - 3.0 preview 3 images are only available on mcr. Please refer to the 3.0 preview 3 announcement and mcr announcement for more details.

docker pull mcr.microsoft.com/dotnet/core/sdk:3.0.100-preview3-alpine

[richlander]

See .NET Core Container Images now Published to Microsoft Container Registry for the most updated information on our use of MCR.