1. Securing AI APIs with NGINX on Azure


    To secure AI APIs with NGINX on Azure, you'll go through several steps. You'll set up an Azure API Management (APIM) service instance, which provides a gateway for managing, securing, and scaling access to your APIs. Then, you'll configure a policy to enforce security measures on the API requests passing through it.

    Here's how you can achieve this with Pulumi in Python:

    1. Provision the Azure API Management instance.
    2. Define an NGINX-backed API in the APIM.
    3. Apply a policy to secure the API, such as enforcing HTTPS and rate limiting.

    Below is a Pulumi program that demonstrates these steps. First, it creates an APIM instance. Then, it defines an API within this APIM backed by an NGINX server. Lastly, it enforces a basic policy to secure this API.

    import pulumi import pulumi_azure_native as azure_native # Initialize a Pulumi resource group. resource_group = azure_native.resources.ResourceGroup("resourceGroup") # Create an Azure API Management service instance. api_management_service = azure_native.apimanagement.ApiManagementService("apiManagementService", resource_group_name=resource_group.name, publisher_name="Your Publisher Name", publisher_email="your-email@example.com", sku=azure_native.apimanagement.SkuDescriptionArgs( name="Developer", # For demo purposes, use 'Developer' tier. Choose the appropriate tier for production. capacity=1 ), location=resource_group.location ) # Define an API within the APIM. nginx_api = azure_native.apimanagement.Api("nginxApi", resource_group_name=resource_group.name, service_name=api_management_service.name, display_name="NGINX API", path="nginxapi", protocols=["https"], service_url="http://your-nginx-server-hostname/" ) # Apply a policy to secure the API. # This is a basic policy to convert HTTP to HTTPS and limit the call rate to 1 call per 10 seconds for each IP. policy_definition = """<policies> <inbound> <base /> <rate-limit calls="1" renewal-period="10" /> </inbound> <backend> <base /> </backend> <outbound> <base /> </outbound> <on-error> <base /> </on-error> </policies> """ api_policy = azure_native.apimanagement.Policy("apiPolicy", resource_group_name=resource_group.name, service_name=api_management_service.name, policy_id="policy", value=policy_definition, format="xml" ) # Export the API Management service URL. pulumi.export("api_management_endpoint", api_management_service.gateway_url)

    This code does the following:

    • Resource Group: Creates a resource group to house your APIM service. This is a container that holds related resources for an Azure solution.
    • API Management Service: Provisions an Azure API Management instance to manage the API lifecycle, security, and analytics.
    • API: Creates an API within the APIM that's backed by an NGINX server. The service_url should point to your actual NGINX server.
    • Policy: Applies an XML policy to the API for basic HTTP to HTTPS redirection and rate limiting.

    To deploy this Pulumi program, save it to a file named __main__.py, set up your Azure credentials, and run pulumi up from your terminal within the directory containing the file. The output will include the API Management service endpoint, which you can use to access your secured NGINX-backed API.

    Please make sure that you've got NGINX up and running and that you replace http://your-nginx-server-hostname/ with the actual hostname of your NGINX server.

    Learn more about Azure API Management Service and API Management APIs.