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  • Serverless computing in Azure with .NET
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Serverless computing in Azure with .NET

Serverless computing in Azure with .NET

By : Rosenbaum
4.3 (3)
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Serverless computing in Azure with .NET

Serverless computing in Azure with .NET

4.3 (3)
By: Rosenbaum

Overview of this book

Serverless architecture allows you to build and run applications and services without having to manage the infrastructure. Many companies have started adopting serverless architecture for their applications to save cost and improve scalability. This book will be your companion in designing Serverless architecture for your applications using the .NET runtime, with Microsoft Azure as the cloud service provider. You will begin by understanding the concepts of Serverless architecture, its advantages and disadvantages. You will then set up the Azure environment and build a basic application using a sample text sentiment evaluation function. From here, you will be shown how to run services in a Serverless environment. We will cover the integration with other Azure and 3rd party services such as Azure Service Bus, as well as configuring dependencies on NuGet libraries, among other topics. After this, you will learn about debugging and testing your Azure functions, and then automating deployment from source control. Securing your application and monitoring its health will follow from there, and then in the final part of the book, you will learn how to Design for High Availability, Disaster Recovery and Scale, as well as how to take advantage of the cloud pay-as-you-go model to design cost-effective services. We will finish off with explaining how azure functions scale up against AWS Lambda, Azure Web Jobs, and Azure Batch compare to other types of compute-on-demand services. Whether you’ve been working with Azure for a while, or you’re just getting started, by the end of the book you will have all the information you need to set up and deploy applications to the Azure Serverless Computing environment.
Table of Contents (16 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
Understanding Serverless Architecture
Understanding Serverless Architecture
What is serverless?
Azure serverless
Architecture
Applications
Summary
2
Getting Started with the Azure Environment
Getting Started with the Azure Environment
Microsoft Azure Cloud
Azure serverless computing
Deploying a function
Clean up Azure resources
Summary
3
Setting Up the Development Environment
Setting Up the Development Environment
Configuring the development environment
Creating the function
Deploying the application to Azure
Storing the results
Setting up a web dashboard for scoring results
Summary
4
Configuring Endpoints, Triggers, Bindings, and Scheduling
Configuring Endpoints, Triggers, Bindings, and Scheduling
Triggers and bindings
Endpoints
Blob Storage trigger
Timer trigger
Summary
5
Integrations and Dependencies
Integrations and Dependencies
Processing a Twitter feed
Sharing code between functions
Integrating with a Service Bus queue
.NET dependency
Adding NuGet libraries
Summary
6
Integrating Azure Functions with Cognitive Services API
Integrating Azure Functions with Cognitive Services API
Using Microsoft Cognitive Services APIs to analyze text
The text sentiment analytics API call implementation
Storing the function results
Summary
7
Debugging Your Azure Functions
Debugging Your Azure Functions
Software debugging
Logging events
Debugging the functions locally
Handling errors
Remote debugging in the cloud
Summary
8
Testing Your Azure Functions
Testing Your Azure Functions
The importance of testing
Software testing
Testing the functions
Performance testing
Summary
9
Configuring Continuous Delivery
Configuring Continuous Delivery
Version Control System
Continuous Integration and delivery
Version control for functions
Continuous delivery for functions
Load testing with VSTS
Automating Function App deployment
Summary
10
Securing Your Application
Securing Your Application
Securing the application
Physical security
Host infrastructure
Networking security
Application-level security
Administrative access
Summary
11
Monitoring Your Application
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Monitoring Your Application
Application performance management
Monitoring tools
Functions monitoring tools
Functions Monitor tab
Application Insights
Monitoring functions with Application Insights
Summary
12
Designing for High Availability, Disaster Recovery, and Scale
Designing for High Availability, Disaster Recovery, and Scale
High Availability
Disaster Recovery
Scaling the application
Summary
13
Designing Cost-Effective Services
Designing Cost-Effective Services
Pay for what you use
Azure Functions pricing
The overall application cost
Calculating the overall applications costs
Summary
14
C# Script-Based Functions
C# Script-Based Functions
C# script-based functions
Using NuGet libraries
Sharing code between functions
Summary
15
Azure Compute On-Demand Options
Azure Compute On-Demand Options
Compute on-demand
Azure WebJobs
Azure Logic Apps
Azure Batch
Azure PaaS Cloud Services
Summary

Application Insights

Application Insights is a cross-platform APM service that can monitor applications based on a wide variety of platforms and technology stacks. Application Insights can pull telemetry from your backend code (such as C#, Java, and Node.js code), frontend scripts (such as JavaScript and Angular code), and hosting environments (such as Azure Web Apps, Docker, Azure Functions, and Virtual Machine OS performance counters).

Application Insights monitors a wide variety of metrics. In addition to the built-in metrics, you can add your own custom events and metrics. Application Insights reporting comes with minimal overhead. Tracking calls are non-blocking and are batched and sent in a separate thread.

To enable reporting to Application Insights, you typically need to install a small instrumentation package into your application, and you can instrument both your backend...

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