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Azure Serverless Computing Cookbook

By : Praveen Kumar Sreeram

4.5 (2)

Buy this Book

Azure Serverless Computing Cookbook

4.5 (2)

By: Praveen Kumar Sreeram

Buy this Book

Overview of this book

Microsoft provides a solution to easily run small segment of code in the Cloud with Azure Functions. Azure Functions provides solutions for processing data, integrating systems, and building simple APIs and microservices. The book starts with intermediate-level recipes on serverless computing along with some use cases on benefits and key features of Azure Functions. Then, we’ll deep dive into the core aspects of Azure Functions such as the services it provides, how you can develop and write Azure functions, and how to monitor and troubleshoot them. Moving on, you’ll get practical recipes on integrating DevOps with Azure functions, and providing continuous integration and continous deployment with Visual Studio Team Services. It also provides hands-on steps and tutorials based on real-world serverless use cases, to guide you through configuring and setting up your serverless environments with ease. Finally, you’ll see how to manage Azure functions, providing enterprise-level security and compliance to your serverless code architecture. By the end of this book, you will have all the skills required to work with serverless code architecture, providing continuous delivery to your users.

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

Accelerate Your Cloud Application Development Using Azure Function Triggers and Bindings

Introduction

Building a backend Web API using HTTP triggers

Persisting employee details using Azure Storage table output bindings

Saving the profile images to Queues using Queue output bindings

Storing the image in Azure Blob storage

Cropping an image using ImageResizer trigger

Working with Notifications Using SendGrid and Twilio Services

Introduction

Sending an email notification to the administrator of the website using the SendGrid service

Sending an email notification to the end user dynamically

Implementing email logging in the Blob storage

Modifying the email content to include an attachment

Sending SMS notification to the end user using the Twilio service

Seamless Integration of Azure Functions with Other Azure Services

Introduction

Using Cognitive Services to locate faces from the images

Azure SQL Database interactions using Azure Functions

Processing a file stored in OneDrive using an external file trigger

Monitoring tweets using Logic Apps and notifying when popular users tweet

Integrating Logic Apps with Azure Functions

Understanding the Integrated Developer Experience of Visual Studio Tools for Azure Functions

Introduction

Creating the function app using Visual Studio 2017

Debugging C# Azure Functions on a local staged environment using Visual Studio 2017

Connecting to the Azure Cloud storage from local Visual Studio environment

Deploying the Azure Function app to Azure Cloud using Visual Studio

Debugging live C# Azure Function hosted on the Microsoft Azure Cloud environment using Visual Studio

Exploring Testing Tools for the Validation of Azure Functions

Introduction

Testing Azure Functions

Testing an Azure Function on a staged environment using deployment slots

Load testing Azure Functions using VSTS

Creating and testing Azure Function locally using Azure CLI tools

Testing and validating Azure Function responsiveness using Application Insights

Monitoring and Troubleshooting Azure Serverless Services

Introduction

Monitoring your Azure Functions

Monitoring Azure Functions using Application Insights

Pushing custom telemetry details to analytics of Application Insights

Sending application telemetry details via email

Integrating real-time AI monitoring data with Power BI using Azure Functions

Code Reusability and Refactoring the Code in Azure Functions

Introduction

Creating a common code repository for better manageability within a function app

Shared code across Azure Functions using class libraries

Azure Functions and precompiled assemblies

Migrating legacy C# application classes to Azure Functions using PowerShell

Using strongly typed classes in Azure Functions

Developing Reliable and Durable Serverless Applications Using Durable Functions

Introduction

Configuring Durable Functions in the Azure Management portal

Creating a hello world Durable Function app

Testing and troubleshooting Durable Functions

Implementing multithreaded reliable applications using Durable Functions

Implement Best Practices for Azure Functions

Adding multiple messages to a Queue using the IAsyncCollector function

Implementing defensive applications using Azure Functions and Queue triggers

Handling massive ingress using Event Hub for IoT and similar scenarios

Enabling authorization for function apps

Controlling access to Azure Functions using function keys

Implement Continuous Integration and Deployment of Azure Functions Using Visual Studio Team Services

Introduction

Continuous integration - creating a build definition

Continuous integration - queuing the build and trigger manually

Configuring and triggering the automated build

Creating a release definition

Trigger the release automatically

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Testing and validating Azure Function responsiveness using Application Insights

Any application is useful for any business only if it up and running. Applications might go down for multiple reasons, and the following are a few of them:

Any hardware failures such as server crash, bad hard disk, or any other hardware, or even an entire data center might go down, which might be very rare
There might be any software errors because of bad code or a deployment error
The site might receive unexpected traffic and the servers may not be capable of handling the traffic
There might be cases where your application is accessible from one country but not the others

It would be really helpful if we can get any notification if our site is not available or not responding to the user requests. Azure provides a few tools for us to help in alerting if the website is not responding or is down. One...