1. Versioning AI Containers with Azure Container Registry


    Versioning containers in Azure Container Registry is an important practice for managing different iterations of your AI models or applications. Using versioning, you can maintain multiple versions of container images, which allows you to roll back to a previous version if needed and track changes over time.

    Let's create a Pulumi program in Python that versions containers using the Azure Container Registry (ACR). The program will:

    1. Create an Azure Resource Group.
    2. Create an Azure Container Registry.
    3. Enable the admin user for accessing the registry.
    4. Apply versioning by using tags when pushing images to the registry.

    Please note that this example will set up the registry, and tagging of images will typically be done through your CI/CD pipeline or manually using Docker CLI with docker tag and docker push commands.

    Here's the Pulumi program that accomplishes the above actions:

    import pulumi import pulumi_azure_native as azure_native # Create an Azure Resource Group resource_group = azure_native.resources.ResourceGroup("aiResourceGroup") # Create an Azure Container Registry container_registry = azure_native.containerregistry.Registry("aiContainerRegistry", resource_group_name=resource_group.name, sku=azure_native.containerregistry.SkuArgs( name="Standard" # Choose between Basic, Standard, and Premium depending on your needs ), location=resource_group.location, admin_user_enabled=True # Enable admin user to access the registry ) # Export the login server of the registry, which will be used to tag and push images pulumi.export("container_registry_login_server", container_registry.login_server) # Export the admin username and password for the registry # It's generally not recommended to export sensitive data. Prefer to use secrets management for production scenarios. admin_username = pulumi.Output.secret(container_registry.admin_username) admin_password = pulumi.Output.secret(container_registry.admin_password) pulumi.export("admin_username", admin_username) pulumi.export("admin_password", admin_password)

    After executing this program with Pulumi (by running pulumi up), it will set up the Azure Container Registry with an admin user enabled. The exported values will be the registry's login server URL, admin username, and admin password.

    The versioning of the containers is done through image tagging. For example, when you push a container image to ACR, you can assign it a tag such as v1, v2, and so on. With each new version, you'd push the image with a new tag, while the old versions remain available under their respective tags.

    To push an image with a tag:

    1. Log in to ACR using Docker CLI with the admin credentials given by Pulumi outputs.
    2. Tag your image using docker tag with the desired version tag.
    3. Push the image to ACR with docker push.

    For production scenarios, this registry configuration would integrate into a CI/CD pipeline where new images are built, tagged, and pushed automatically with each change in your application.

    Remember that we've exported sensitive information in this example, which is not a best practice. In a production environment, you should manage these sensitive details using Azure Key Vault or the Pulumi Secrets system.