Based on this guide I wrote this sample code which works for the default image ("microsoft/aci-helloworld"), but fails when changing to an image from an Azure Container Registry in my azure subscription.
The error message is:
The image 'mytest.azurecr.io/myimage:latest' in container group '' is not accessible. Please check the image and registry credential.
I found this similar SO thread but the sample code already uses the solution from that question (using file based auth).
I've also tried my image name with/without the ":latest" suffix, and made sure that a "docker pull mytest.azurecr.io/myimage:latest" succeeds.
Edit: Adding ACR screenshot:
Note: I've also tried the C# code sample (according to the similar SO thread), and received the same error. I'm probably missing something that's configuration related. How do I allow the service principal to have access to the ACR? I created the principal according to the guide:
az ad sp create-for-rbac --sdk-auth > my.azureauth
Does this mean this service principal should have access to any ACR in the same subscription?