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4 changes: 1 addition & 3 deletions docs/core/docker/build-container.md
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Expand Up @@ -144,12 +144,10 @@ DotNet.Docker.deps.json DotNet.Docker.dll DotNet.Docker.exe DotNet.Docker.pdb

The *Dockerfile* file is used by the `docker build` command to create a container image. This file is a text file named *Dockerfile* that doesn't have an extension.

Create a file named *Dockerfile* in the directory containing the *.csproj* and open it in a text editor. This tutorial will use the ASP.NET Core runtime image (which contains the .NET runtime image) and corresponds with the .NET console application.
Create a file named *Dockerfile* in the directory containing the *.csproj* and open it in a text editor. This tutorial will use the .Net7 runtime image (which contains the .NET runtime image) and corresponds with the .NET console application.

:::code language="docker" source="snippets/App/Dockerfile":::

> [!NOTE]
> The ASP.NET Core runtime image is used intentionally here, although the `mcr.microsoft.com/dotnet/runtime:7.0` image could have been used.

> [!TIP]
> This _Dockerfile_ uses multi-stage builds, which optimizes the final size of the image by layering the build and leaving only required artifacts. For more information, see [Docker Docs: multi-stage builds](https://docs.docker.com/build/building/multi-stage/).
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