How to access storage account (Blob storage) from Java-spring boot app deployed on app service securely?

Question

I’m trying to look for the sample Java-spring app which is able to access blob storage in the secure way.

I also found that only Secret / connection string is acceptable to connect Java-spring app to storage blob in the below doc.

https://video2.skills-academy.com/en-us/azure/service-connector/how-to-integrate-storage-blob?tabs=dotnet

I will deploy my app on app service so I’m wondering if I can make connection between app service and blob storage by System-assigned managed identity, User-assigned managed identity or SAS.

App service setting will be networking closed with private end point and vnet integration.

Could you please let me know if it’s possible to use managed IDs or SAS for connecting blob storage in Java-spring boot app? It will be gratitude if you can provide me sample Java-spring source code as well. Thank you for your support.

Answer

Hi 奥田章桂美,

For Java Spring Boot applications, it only support Secret/Connection string as the only authentication method. You may refer it in the same link you shared.

https://video2.skills-academy.com/en-us/azure/service-connector/how-to-integrate-storage-blob?tabs=springBoot#supported-authentication-types-and-client-types

Refer the below tutorial that helps you to understand how to upload a file from your Spring Boot application to Blob Storage.

https://video2.skills-academy.com/en-us/azure/developer/java/spring-framework/configure-spring-boot-starter-java-app-with-azure-storage?toc=%2Fazure%2Fstorage%2Fblobs%2Ftoc.json

and Refer the below Github repository for further examples.

https://github.com/Azure-Samples/azure-spring-boot-samples/tree/main/storage

Hope this helps

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How to access storage account (Blob storage) from Java-spring boot app deployed on app service securely?

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