An implementation of the `storagedriver.StorageDriver` interface which uses [Microsoft Azure Blob Storage](http://azure.microsoft.com/en-us/services/storage/) for object storage.
| `accountname` | yes | Name of the Azure Storage Account. |
| `accountkey` | yes | Primary or Secondary Key for the Storage Account. |
| `container` | yes | Name of the Azure root storage container in which all registry data will be stored. Must comply the storage container name [requirements](https://docs.microsoft.com/rest/api/storageservices/fileservices/naming-and-referencing-containers--blobs--and-metadata). |
| `realm` | no | Domain name suffix for the Storage Service API endpoint. For example realm for "Azure in China" would be `core.chinacloudapi.cn` and realm for "Azure Government" would be `core.usgovcloudapi.net`. By default, this is `core.windows.net`. |
* You can use Microsoft's [Blob Service REST API](https://msdn.microsoft.com/en-us/library/azure/dd135733.aspx) to [create a storage container](https://msdn.microsoft.com/en-us/library/azure/dd179468.aspx).
