# ContainerFilesExtensions

- Kind: `class`
- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Version: `13.3.0`
- Namespace: `Aspire.Hosting.ApplicationModel.Docker`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/Docker/ContainerFilesExtensions.cs)

Provides Dockerfile builder extension methods for supporting [ResourceBuilderExtensions.PublishWithContainerFiles(IResourceBuilder<T>, IResourceBuilder<IResourceWithContainerFiles>, string)](/reference/api/csharp/aspire.hosting/resourcebuilderextensions/methods.md#publishwithcontainerfiles-iresourcebuilder-t-iresourcebuilder-iresourcewithcontainerfiles-string).

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel.Docker;

public static class ContainerFilesExtensions
{
    // ...
}
```

## Methods

- [AddContainerFiles(DockerfileStage, IResource, string, ILogger?)](/reference/api/csharp/aspire.hosting/containerfilesextensions/methods.md#addcontainerfiles-dockerfilestage-iresource-string-ilogger) : [DockerfileStage](/reference/api/csharp/aspire.hosting/dockerfilestage.md) `extension` `experimental` `ats ignored` -- Adds COPY --from statements to the Dockerfile stage for container files from resources referenced by [ContainerFilesDestinationAnnotation](/reference/api/csharp/aspire.hosting/containerfilesdestinationannotation.md).
- [AddContainerFilesStages(DockerfileBuilder, IResource, ILogger?)](/reference/api/csharp/aspire.hosting/containerfilesextensions/methods.md#addcontainerfilesstages-dockerfilebuilder-iresource-ilogger) : [DockerfileBuilder](/reference/api/csharp/aspire.hosting/dockerfilebuilder.md) `extension` `experimental` `ats ignored` -- Adds Dockerfile instructions to include container files from the specified resource into the Dockerfile build process.