Serverless Architecture
4 h 20 m
Lab Overview

In this hand-on lab, you will be challenged to implement an end-to-end scenario using a supplied sample that is based on Microsoft Azure Functions, Azure Cosmos DB, Event Grid, and related services. The scenario will include implementing compute, storage, workflows, and monitoring, using various components of Microsoft Azure. The hands-on lab can be implemented on your own, but it is highly recommended to pair up with other members at the lab to model a real-world experience and to allow each member to share their expertise for the overall solution.

At the end of the hands-on-lab, you will have confidence in designing, developing, and monitoring a serverless solution that is resilient, scalable, and cost-effective.

  • Designing, developing and monitoring a serverless AI solution in Azure
In this exercise, you will provision a blob storage account using the Hot tier, and create two containers within to store uploaded photos and exported CSV files. You will then provision two Function Apps instances, one you will deploy from Visual Studio, and the other you will manage using the Azure portal. Next, you will create a new Event Grid topic. After that, you will create an Azure Cosmos DB account with two collections. Finally, you will provision a new Cognitive Services Computer Vision API service for applying object character recognition (OCR) on the license plates.
Use Visual Studio 2017 and its integrated Azure Functions tooling to develop and debug the functions locally, and then publish them to Azure. The starter project solution, TollBooths, contains most of the code needed. You will add in the missing code before deploying to Azure.

Create two new Azure Functions written in Node.js, using the Azure portal. These will be triggered by Event Grid and output to Azure Cosmos DB to save the results of license plate processing done by the ProcessImage function.

Application Insights can be integrated with Azure Function Apps to provide robust monitoring for your functions. In this exercise, you will provision a new Application Insights account and configure your Function Apps to send telemetry to it.
In this exercise, you will use the Azure Cosmos DB Data Explorer in the portal to view saved license plate data.
In this exercise, you create a new Logic App for your data export workflow. This Logic App will execute periodically and call your ExportLicensePlates function, then conditionally send an email if there were no records to export.
In this exercise, configure your Function App that contains the ProcessImage function for continuous deployment. You will first set up a GitHub source code repository, then set that as the deployment source for the Function App.
With the latest code changes in place, run your Logic App and verify that the files are successfully exported.
Real-Time Lab
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What are Labs?

Labs are where you can get hands on experience from what you have learned from lectures. You get to work in real time in virtual machines at your pace.