Which Azure service is best for deploying this kind of app?
Azure offers several services for deploying your app, depending on your requirements. If you need a simple and straightforward deployment, Azure App Service is a great choice because it natively supports Python web apps and requires minimal configuration. For containerized deployment, Azure Container Instances (ACI) is ideal for lightweight apps, while Azure Kubernetes Service (AKS) is better suited for large-scale or production-grade applications. Alternatively, Azure Machine Learning (Azure ML) is recommended if your deployment needs robust ML workflows, including managed endpoints for model inferencing.
How should I handle model storage? If your fine-tuned model is large, storing it in Azure Blob Storage is an efficient option. This approach separates your app from the model and makes it easy to update or access the model independently. Use Azure SDKs to load the model dynamically within your Streamlit app. For smaller models or faster prototyping, you can package the model directly with your application code.
What are the steps to deploy a Streamlit app integrated with the model? First, verify if all your dependencies are defined in a requirements.txt
or conda.yml
file.
For Azure App Service, you can deploy your app by uploading the application folder through the Azure Portal, CLI, or GitHub Actions. If you plan to use containers, create a Dockerfile that includes your Streamlit app, install necessary libraries, and expose the required ports. Push the Docker image to Azure Container Registry and deploy it to ACI or AKS. For Azure ML, register your model, create an environment, and deploy an inferencing endpoint, which your Streamlit app can call via API.
How should I manage dependencies and environment setup on Azure?
Dependencies must be listed in your requirements.txt
file or included in a Dockerfile. If using App Service, specify the Python runtime during configuration. For containerized deployments, ensure your Dockerfile includes system dependencies, Python libraries, and any necessary GPU configurations. In Azure ML, create a custom environment using a YAML file to specify dependencies.
What are the considerations for scalability and cost optimization?
For scalability, you need to use Azure App Service auto-scaling features to adjust resources based on demand. If deploying to AKS, use cluster autoscaling to scale pods dynamically. For cost optimization, start with low-tier VMs during development and switch to production tiers as needed. Additionally, consider spot VMs or reserved instances for reduced pricing, and monitor costs using Azure Cost Management tools.
Links to help you :
Deploy Python Apps on Azure App Service