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We have an app running in a Docker container on a App Server. We would like the users to be able to share out content that is produced in the app (and saved in a .html file), via a web link something like: https://myapp.azurewebsites.net/files/rec4AIDQ8q1waHlDX20240122162322.html . The app currently write the files to a /files/ folder in the Docker container, but it appears that folder isn't accessible via the https://myapp.azurewebsites.net site. We aren't particularly worried about the security of the files since they don't contain any private or proprietary information. Public Read-only should be fine. I've looked at a variety of postings about accessing files, blobs, etc. but it's a bit hard to follow. I tried configuring a storage account and mapping that to the app server, but it wasn't clear how to get files written from the Docker container to the Blob storage and/or what the URL would be to access a file in the Blob storage. Any help would be greatly appreciated!
Hello @David Wipper ,
I hope the answer provided by Lex Li (Microsoft) or @Carlos dos Santos is helpful. Please let me know if you have any further queries.
Please accept as Yes if the answer provided is useful, so that you can help others in the community looking for remediation for similar issues.
@David Wipper Thanks for reaching out to Microsoft Q&A, apologize for any inconvenience caused on this.
Based on the shared information, I have understood that you have mounted a file share to the container-based app service and trying to access the files that are present in the file share using the path at the end of the app service URL (like https://myapp.azurewebsites.net/<filename>).
If my understanding is correct, then you need to mount the file share under the /home which is not recommended/best practice that has been shared in the documentation.
If you are using docker compose configurations in your app service note that mounting the Azure storage is not supported.
In order to achieve your requirement, you need to write a custom logic and some routing rules in your application code using the fast Api as Lex Li (Microsoft) pointed out in the below.
Hope this helps! let me know if you have any further questions on this.
Hello @David Wipper ,
Following up to see if you have a chance to check my previous response and helped. Do let us know if you have any further questions on this.
@VenkateshDodda-MSFT Thanks for the follow-up. Yes, I'm running a Docker Container (but not Compose). In the docker compose, there is a reference to "Use persistent shared storage". If I turned this option on, wouldn't it be possible to store files within the Docker container? Even it that's possible, is there no public access to those files?
@David Wipper thanks for your response. If you deploy your application on app service which is running with docker compose then mounting the storage account is not possible.
As mentioned earlier you need to use custom logic to access the files using the webapp url directly.
@VenkateshDodda-MSFT Thanks for the follow-up. It actually turns out to be pretty easy once the proper settings are in place. The article that @Lex Li mentioned: https://discuss.huggingface.co/t/how-to-serve-an-html-file/33921 was help, although it wasn't exactly what I was trying to do since that pertained to hosting on HuggingFace vs Azure. Here are the critical parts of the solution:
Thanks for everyone's help on this!
Since you are using Python and Gradio, you need to mount together with a web framework like FastAPI so as to serve static files. An example can be found from https://discuss.huggingface.co/t/how-to-serve-an-html-file/33921
@Lexi Li Thanks. Interesting find! Are you thinking that if I mount my Gradio app within the FastAPI App, and define a static directory named 'files' running in the Docker container, that the directory and files in it would be available as https://myapp.azurewebsites.net/files/ ?
Hi @David Wipper What languange are you using to develop ?
I'm using Python and Gradio for an AI ChatBot app.
I recommend that you use AzureBlob, there is a library for python: https://learn.microsoft.com/en-us/azure/storage/blobs/storage-quickstart-blobs-python?tabs=managed-identity%2Croles-azure-portal%2Csign-in-azure-cli
@Carlos dos Santos Thanks so much. I can see how this code would help the application write the HTML files to the Blob storage. What I'm missing is how the Blob storage folder and files would be represented and get served from the https://myapp.azurewebsites.net site. If I configured a Container named 'files' to store the HTML files, would that appear as https://myapp.azurewebsites.net/files/ ? I tried that and got {"detail":"Not Found"} when accessing that URL.
You have two options:
Hi @David Wipper Did you take a chance to check my answer ?
@Carlos dos Santos As I mentioned above, I tried creating a blob container named 'files' and uploaded a file to it. When I tried to access the folder via https://myapp.azurewebsites.net/files/ it didn't show anything. It just gave a strange {"detail":"Not Found"} message.
And you have some error during upload ?
@Carlos dos Santos See the above solution I found. It turned out to be fairly easy once I got the correct settings in Gradio and Docker.