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Important: Client Firewall Rules Update to Microsoft Container Registry (MCR)

To provide a consistent FQDNs, the data endpoint will be changing from *.cdn.mscr.io to *.data.mcr.microsoft.com

For more info, see MCR Client Firewall Rules.

Featured Tags

  • 5.0 (Preview)
    • docker pull mcr.microsoft.com/dotnet/aspnet:5.0

About This Image

This image contains the ASP.NET Core and .NET runtimes and libraries and is optimized for running ASP.NET Core apps in production.

As part of the transition to .NET 5.0, Docker repos for .NET 5.0 and higher do not include core in the name as was done with older versions. As an example, ASP.NET Core 5.0 can be found at mcr.microsoft.com/dotnet/aspnet:5.0 while 3.1 is still at mcr.microsoft.com/dotnet/core/aspnet:3.1. See the related issue for more details.

Watch dotnet/announcements for Docker-related .NET announcements.

How to Use the Image

The .NET Docker samples show various ways to use .NET Core and Docker together. See Building Docker Images for .NET Applications to learn more.

Container sample: Run a web application

You can quickly run a container with a pre-built .NET Docker image, based on the ASP.NET Core sample.

Type the following command to run a sample web application:

docker run -it --rm -p 8000:80 --name aspnetcore_sample mcr.microsoft.com/dotnet/core/samples:aspnetapp

After the application starts, navigate to http://localhost:8000 in your web browser.

See Hosting ASP.NET Core Images with Docker over HTTPS to use HTTPS with this image.

Related Repos

.NET Core 2.1/3.1:

.NET 5.0+:

.NET Framework:

Full Tag Listing

Linux amd64 Tags

.NET 5.0 Preview Tags
Tags Dockerfile OS Version
5.0.0-preview.5-buster-slim, 5.0-buster-slim, 5.0.0-preview.5, 5.0, latest Dockerfile Debian 10
5.0.0-preview.5-alpine3.12, 5.0-alpine3.12, 5.0.0-preview.5-alpine, 5.0-alpine Dockerfile Alpine 3.12
5.0.0-preview.5-alpine3.11, 5.0-alpine3.11 Dockerfile Alpine 3.11
5.0.0-preview.5-focal, 5.0-focal Dockerfile Ubuntu 20.04

Linux arm64 Tags

.NET 5.0 Preview Tags
Tags Dockerfile OS Version
5.0.0-preview.5-buster-slim-arm64v8, 5.0-buster-slim-arm64v8, 5.0.0-preview.5, 5.0, latest Dockerfile Debian 10
5.0.0-preview.5-alpine3.12-arm64v8, 5.0-alpine3.12-arm64v8, 5.0.0-preview.5-alpine-arm64v8, 5.0-alpine-arm64v8 Dockerfile Alpine 3.12
5.0.0-preview.5-alpine3.11-arm64v8, 5.0-alpine3.11-arm64v8 Dockerfile Alpine 3.11
5.0.0-preview.5-focal-arm64v8, 5.0-focal-arm64v8 Dockerfile Ubuntu 20.04

Linux arm32 Tags

.NET 5.0 Preview Tags
Tags Dockerfile OS Version
5.0.0-preview.5-buster-slim-arm32v7, 5.0-buster-slim-arm32v7, 5.0.0-preview.5, 5.0, latest Dockerfile Debian 10

Windows Server, version 2004 amd64 Tags

.NET 5.0 Preview Tags
Tag Dockerfile
5.0.0-preview.5-nanoserver-2004, 5.0-nanoserver-2004, 5.0.0-preview.5, 5.0, latest Dockerfile

Windows Server, version 1909 amd64 Tags

.NET 5.0 Preview Tags
Tag Dockerfile
5.0.0-preview.5-nanoserver-1909, 5.0-nanoserver-1909, 5.0.0-preview.5, 5.0, latest Dockerfile

Windows Server, version 1903 amd64 Tags

.NET 5.0 Preview Tags
Tag Dockerfile
5.0.0-preview.5-nanoserver-1903, 5.0-nanoserver-1903, 5.0.0-preview.5, 5.0, latest Dockerfile

Windows Server 2019 amd64 Tags

.NET 5.0 Preview Tags
Tag Dockerfile
5.0.0-preview.5-nanoserver-1809, 5.0-nanoserver-1809, 5.0.0-preview.5, 5.0, latest Dockerfile

You can retrieve a list of all available tags for dotnet/aspnet at https://mcr.microsoft.com/v2/dotnet/aspnet/tags/list.

Support

See Microsoft Support for .NET for the support lifecycle.

Image Update Policy

  • We update the supported .NET images within 12 hours of any updates to their base images (e.g. debian:buster-slim, windows/nanoserver:1909, buildpack-deps:bionic-scm, etc.).
  • We publish .NET images as part of releasing new versions of .NET including major/minor and servicing.

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