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Umbraco storage providers

This repository contains Umbraco storage providers that can replace the default physical file storage.

Note Use the following documentation for previous Umbraco CMS versions:

Umbraco.StorageProviders

Contains shared storage providers infrastructure, like a CDN media URL provider.

Usage

This provider can be added in the Program.cs file:

builder.CreateUmbracoBuilder()
    .AddBackOffice()
    .AddWebsite()
    .AddDeliveryApi()
    .AddComposers()
+   .AddCdnMediaUrlProvider()
    .Build();

There are multiple ways to configure the CDN provider. It can be done in code (replacing the code added above):

.AddCdnMediaUrlProvider(options => {
    options.Url = new Uri("https://cdn.example.com/");
    options.RemoveMediaFromPath = true;
});

In appsettings.json:

{
  "Umbraco": {
    "Storage": {
      "Cdn": {
        "Url": "https://cdn.example.com/",
        "RemoveMediaFromPath": true
      }
    }
  }
}

Or by environment variables:

UMBRACO__STORAGE__CDN__URL=https://cdn.example.com/
UMBRACO__STORAGE__CDN__REMOVEMEDIAFROMPATH=true

Note You still have to add the provider in the Program.cs file when not configuring the options in code.

Configuration

Configure your CDN origin to point to your site and ensure every unique URL is cached (includes the query string), so images can be processed by the site and the response cached by the CDN.

By default, the CDN provider removes the media path (/media) from the generated media URL, so you need to configure your CDN origin to include this path. This is to prevent caching/proxying other parts of your site, but you can opt-out of this behavior by setting RemoveMediaFromPath to false.

Umbraco.StorageProviders.AzureBlob

The Azure Blob Storage provider has an implementation of the Umbraco IFileSystem that connects to an Azure Blob Storage container.

Usage

This provider can be added in the Program.cs file:

builder.CreateUmbracoBuilder()
    .AddBackOffice()
    .AddWebsite()
    .AddDeliveryApi()
    .AddComposers()
+   .AddAzureBlobMediaFileSystem()
    .Build();

There are multiple ways to configure the provider. It can be done in code (replacing the code added above):

.AddAzureBlobMediaFileSystem(options => {
    options.ConnectionString = "UseDevelopmentStorage=true";
    options.ContainerName = "sample-container";
})

In appsettings.json:

{
  "Umbraco": {
    "Storage": {
      "AzureBlob": {
        "Media": {
          "ConnectionString": "UseDevelopmentStorage=true",
          "ContainerName": "sample-container"
        }
      }
    }
  }
}

Or by environment variables:

UMBRACO__STORAGE__AZUREBLOB__MEDIA__CONNECTIONSTRING=UseDevelopmentStorage=true
UMBRACO__STORAGE__AZUREBLOB__MEDIA__CONTAINERNAME=sample-container

Note You still have to add the provider in the Program.cs file when not configuring the options in code.

Umbraco.StorageProviders.AzureBlob.ImageSharp

Adds ImageSharp support for storing the image cache to a pre-configured Azure Blob Storage provider.

Usage

This provider can be added in the Program.cs file:

builder.CreateUmbracoBuilder()
    .AddBackOffice()
    .AddWebsite()
    .AddDeliveryApi()
    .AddComposers()
    .AddAzureBlobMediaFileSystem()
+   .AddAzureBlobImageSharpCache()
    .Build();

By default the media file system configuration will be used and files will be stored in a separate folder (see below). You can specify the name of another (already configured) Azure Blob file system to store the files in another container:

.AddAzureBlobFileSystem("Cache")
.AddAzureBlobImageSharpCache("Cache")

Folder structure in the Azure Blob Storage container

The container name is expected to exist and uses the following folder structure:

  • /media - contains the Umbraco media, stored in the structure defined by the IMediaPathScheme registered in Umbraco (the default UniqueMediaPathScheme stores files with their original filename in 8 character directories, based on the content and property GUID identifier)
  • /cache - contains the ImageSharp image cache, stored as files with a filename defined by the ICacheHash registered in ImageSharp (the default CacheHash generates SHA256 hashes of the file contents and uses the first characters configured by the Umbraco:CMS:Imaging:CacheHashLength setting)

Note This is different than the behavior of other file system providers, i.e. UmbracoFileSystemProviders.Azure that expect the media contents to be at the root level.

Using the file system providers

Please refer to our documentation on using custom file systems.

Bugs, issues and Pull Requests

If you encounter a bug when using this client library you are welcome to open an issue in the issue tracker of this repository. We always welcome Pull Request and please feel free to open an issue before submitting a Pull Request to discuss what you want to submit.

Questions about usage should be posted to the forum on our.umbraco.com.

License

Umbraco Storage Providers is MIT licensed.

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