Book Image

Azure Serverless Computing Cookbook - Third Edition

By : Praveen Kumar Sreeram
Book Image

Azure Serverless Computing Cookbook - Third Edition

By: Praveen Kumar Sreeram

Overview of this book

This third edition of Azure Serverless Computing Cookbook guides you through the development of a basic back-end web API that performs simple operations, helping you understand how to persist data in Azure Storage services. You'll cover the integration of Azure Functions with other cloud services, such as notifications (SendGrid and Twilio), Cognitive Services (computer vision), and Logic Apps, to build simple workflow-based applications. With the help of this book, you'll be able to leverage Visual Studio tools to develop, build, test, and deploy Azure functions quickly. It also covers a variety of tools and methods for testing the functionality of Azure functions locally in the developer's workstation and in the cloud environment. Once you're familiar with the core features, you'll explore advanced concepts such as durable functions, starting with a "hello world" example, and learn about the scalable bulk upload use case, which uses durable function patterns, function chaining, and fan-out/fan-in. By the end of this Azure book, you'll have gained the knowledge and practical experience needed to be able to create and deploy Azure applications on serverless architectures efficiently.
Table of Contents (14 chapters)
13
Index

Integrating Logic Apps with serverless functions

In the previous recipe, you learned how to integrate different connectors using Logic Apps and developed a simple logic of checking whether the followers count is greater than 200. As it was a simple logic, you were able to implement that in Logic Apps itself. If you need to implement a complex logic, then it wouldn't be possible. In that case, you can implement the complex logic in Azure Functions and invoke Azure Functions from Logic Apps.

In this recipe, you will see how to integrate Azure Functions with Logic Apps. For the sake of simplicity, we will not develop a complex logic. However, we will use the same logic (followersCount > 200) in Azure Functions and invoke it from Logic Apps.

How to do it...

In this section, we'll integrate Azure Functions with Logic Apps by performing the following steps:

  1. Create a new function by choosing the HTTP trigger with Authorization Level as Anonymous, and name it...