Apply design patterns and techniques to achieve a reactive, scalable web service
Document your web services using the OpenAPI standard and test them using Postman
Explore mechanisms to implement a secure web service using client-side SSL and token authentication

Description

In recent times, web services have evolved to play a prominent role in web development. Applications are now designed to be compatible with any device and platform, and web services help us keep their logic and UI separate. Given its simplicity and effectiveness in creating web services, the RESTful approach has gained popularity, and this book will help you build RESTful web services using ASP.NET Core. This REST book begins by introducing you to the basics of the REST philosophy, where you'll study the different stages of designing and implementing enterprise-grade RESTful web services. You'll also gain a thorough understanding of ASP.NET Core's middleware approach and learn how to customize it. The book will later guide you through improving API resilience, securing your service, and applying different design patterns and techniques to achieve a scalable web service. In addition to this, you'll learn advanced techniques for caching, monitoring, and logging, along with implementing unit and integration testing strategies. In later chapters, you will deploy your REST web services on Azure and document APIs using Swagger and external tools such as Postman. By the end of this book, you will have learned how to design RESTful web services confidently using ASP.NET Core with a focus on code testability and maintainability.

What you will learn

Gain a comprehensive working knowledge of ASP.NET Core Integrate third-party tools and frameworks to build maintainable and efficient services Implement patterns using dependency injection to reduce boilerplate code and improve flexibility Use ASP.NET Core s out-of-the-box tools to test your applications Use Docker to run your ASP.NET Core web service in an isolated and self-contained environment Secure your information using HTTPS and token-based authentication Integrate multiple web services using resiliency patterns and messaging techniques

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Product Details

Publication date : Dec 27, 2019

Length 510 pages

Edition : 1st Edition

Language : English

ISBN-13 : 9781789537611

Vendor :

Microsoft

Category :

Web Development

Languages :

C# (Intermediate)

Concepts :

Web Services

Tools :

.NET Core (Intermediate)

26 Chapters

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

1. Section 1: Getting Started

Section 1: Getting Started

2. REST 101 and Getting Started with ASP.NET Core

REST 101 and Getting Started with ASP.NET Core

REST

Introducing ASP.NET Core

Preparing your development environment

Summary

3. Section 2: Overview of ASP.NET Core

Section 2: Overview of ASP.NET Core

4. Overview of ASP.NET Core

Overview of ASP.NET Core

Setting up our .NET Core project

Setting up an ASP.NET Core project

Summary

5. Working with the Middleware Pipeline

Working with the Middleware Pipeline

Introducing middleware

Understanding built-in middleware

Summary

6. Dependency Injection System

Dependency Injection System

Dependency inversion principle

Dependency injection in ASP.NET Core

Services life cycle

Summary

7. Web Service Stack in ASP.NET Core

Web Service Stack in ASP.NET Core

What is a controller?

Handling requests using controllers and actions

Data transfer objects

Implementing validation of requests

Summary

8. Routing System

Routing System

Overview of the routing system

9. Filter Pipeline

Introduction to filters

Concrete filter implementations

Filter use cases

Summary

10. Section 3: Building a Real-World RESTful API

Section 3: Building a Real-World RESTful API

11. Building the Data Access Layer

Building the Data Access Layer

Setting up the project

Implementing the domain model

Data access using ORMs

Implementing a data access layer using EF Core

Testing the EF Core repository

Implementing a data access layer using Dapper

Summary

12. Implementing the Domain Logic

Implementing the Domain Logic

Implementing service classes

Testing the service layer

Implementing request model validation

Dependencies registration

Summary

13. Implementing the RESTful HTTP Layer

Implementing the RESTful HTTP Layer

Implementing the item controller

Testing controllers using the WebApplicationFactory<T> class

Improving the resilience of the API

Exposing related entities

A final overview

Summary

14. Advanced Concepts of Building an API

Advanced Concepts of Building an API

Implementing the soft delete procedure

Implementing HATEOAS

The asynchronous code in ASP.NET Core

Measure response time using middleware

Summary

15. The Containerization of Services

The Containerization of Services

An introduction to containers

Using Docker to run the catalog service

Optimizing Docker images

Summary

16. Service Ecosystem Patterns

Service Ecosystem Patterns

An introduction to the cart service

Implementing resilient communication using an HTTP client

Sharing events using an event bus

Running the cart service using Docker

Summary

17. Implementing Worker Services Using .NET Core

Implementing Worker Services Using .NET Core

Introducing worker services

Implementing a health-checking worker

Running a worker service on Docker

Consuming the sold-out event

Summary

18. Securing Your Service

Securing Your Service

Overview of secure communication

Securing APIs with token-based authentication

Summary

19. Section 4: Advanced Concepts for Building Services

Section 4: Advanced Concepts for Building Services

20. Caching Web Service Responses

Caching Web Service Responses

Introduction to the HTTP caching system

Implementing response caching in ASP.NET Core

Implementing a distributed cache

Summary

21. Logging and Health Checking

Logging and Health Checking

Logging in ASP.NET Core

Implementing the logging part

Implementing logging providers

Implementing a custom log provider in tests

Web service health check

Summary

22. Deploying Services on Azure

Deploying Services on Azure

Getting started with Azure

Pushing containers into Azure Container Registry

Configuring Azure Container Instances

Configuring app services

Summary

23. Documenting Your API Using Swagger

Documenting Your API Using Swagger

Understanding OpenAPI

Implementing OpenAPI in ASP.NET Core services

Summary

24. Testing Services Using Postman

Testing Services Using Postman

Overview of Postman

Importing a collection using OpenAPI

Summary

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About the author

Samuele Resca

Samuele Resca is a software engineer working at Just Eat and primarily focused on web technologies. He is a Microsoft Most Valuable Professional in Visual Studio and development technologies. Samuele writes software engineering blog posts on Samuele Resca Blog and The DEV Community, and he contributes to open source projects. He is continuously learning and developing around the web ecosystem with a focus on the .NET Core ecosystem, cloud computing, serverless computing, and reactive programming. Samuele is from Italy, and he currently lives in London.

See other products by Samuele Resca

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Hands-On RESTful Web Services with ASP.NET Core 3: Design production-ready, testable, and flexible RESTful APIs for web applications and microservices

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