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Mar 17, 2025
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Add containers release notes for 10.0 Preview 2 #9796

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Add containers release notes for 10.0 Preview 2
lbussell Mar 11, 2025
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Fix run-on-sentence
lbussell Mar 11, 2025
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26 changes: 23 additions & 3 deletions release-notes/10.0/preview/preview2/containers.md
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.NET 10 Preview 2 includes the following updates for container images:

- [Feature](#feature)
- [Native AOT images](#native-aot-images)

## Feature
## Native AOT SDK images

This is about the feature
Native AOT .NET apps have faster startup time, smaller memory footprints, and can run on machines that don't have the .NET runtime installed.
For .NET 10, we are publishing new .NET SDK image variants that support building [Native AOT](https://learn.microsoft.com/dotnet/core/deploying/native-aot) apps.

The images are intended for two primary scenarios:

- Building container images that contain a Native AOT app, using the SDK image in a multi-stage Dockerfile
- Building Native AOT .NET executables using the SDK image as a containerized build environment
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@mthalman mthalman Mar 11, 2025

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I'm having a hard time understanding the difference between these two scenarios. Is there some subtlety I'm missing?

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@lbussell lbussell Mar 11, 2025

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The first is for building a container image, and the second is for building binary executables that can be distributed by themselves. I took these bullets pretty much directly from dotnet/dotnet-docker#6312.

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@mthalman mthalman Mar 11, 2025

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Ok, I was reading too much into it.


See the [.NET Native AOT Dockerfile samples](https://github.com/dotnet/dotnet-docker/tree/main/samples/releasesapi) for details on how to use the new Native AOT SDK images.

The following images have been added to the `dotnet/sdk` repo:

- `10.0-noble-preview-aot` (Also tagged as `10.0-preview-aot`)
- `10.0-preview-alpine-aot`
- `10.0-preview-azurelinux3.0-aot`
- `10.0-preview-trixie-aot`

For more information, see:

- [.NET 10 SDK AOT container images (Announcement)](https://github.com/dotnet/dotnet-docker/discussions/6312)
- [Provide Officially-Supported .NET AOT Images](https://github.com/dotnet/dotnet-docker/issues/5020)