What is the rollback strategy for Azure ACR?

The rollback strategy for Azure ACR (Azure Container Registry) involves the ability to revert to a previous version of a container image in order to maintain application stability and ensure seamless deployment processes. This is crucial for ensuring that any issues introduced by new image versions can be quickly resolved without causing downtime.

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<?php // Sample rollback strategy for Azure ACR using Azure CLI // Step 1: Identify the current image and tag $currentImage = "myregistry.azurecr.io/myapp:latest"; // Step 2: List previous images $previousImages = shell_exec("az acr repository show-tags --name myregistry --repository myapp --orderby time_desc --query '[0:5]' -o tsv"); // Step 3: Select the previous version to rollback $rollbackImage = trim(explode("\n", $previousImages)[1]); // Assuming we want to rollback to the second newest image // Step 4: Update the deployment to use the previous image shell_exec("az webapp update --resource-group myResourceGroup --name myApp --set containerImage=$rollbackImage"); echo "Rolled back to image: $rollbackImage"; ?>

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