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  • Book Overview & Buying Hands-On Swift 5 Microservices Development
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Hands-On Swift 5 Microservices Development

Hands-On Swift 5 Microservices Development

By : Ralph Kuepper
3 (6)
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Hands-On Swift 5 Microservices Development

Hands-On Swift 5 Microservices Development

3 (6)
By: Ralph Kuepper
Buy this Book

Overview of this book

The capabilities of the Swift programming language are extended to server-side development using popular frameworks such as Vapor. This enables Swift programmers to implement the microservices approach to design scalable and easy-to-maintain architecture for iOS, macOS, iPadOS, and watchOS applications. This book is a complete guide to building microservices for iOS applications. You’ll start by examining Swift and Vapor as backend technologies and compare them to their alternatives. The book then covers the concept of microservices to help you get started with developing your first microservice. Throughout this book, you’ll work on a case study of writing an e-commerce backend as a microservice application. You’ll understand each microservice as it is broken down into details and written out as code throughout the book. You’ll also become familiar with various aspects of server-side development such as scalability, database options, and information flow for microservices that are unwrapped in the process. As you advance, you’ll get to grips with microservices testing and see how it is different from testing a monolith application. Along the way, you’ll explore tools such as Docker, Postman, and Amazon Web Services. By the end of the book, you’ll be able to build a ready-to-deploy application that can be used as a base for future applications.
Table of Contents (19 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Get in touch
1
Introduction to Microservices
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Introduction to Microservices
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What is a microservice?
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Understanding why to choose microservices
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Understanding why not to choose microservices
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Who is using microservices?
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Comparing monolith and microservices
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Upgrading from monolith to microservices
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Summary
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Questions
Lock Free Chapter
2
Understanding Server-Side Swift
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Understanding Server-Side Swift
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Technical Requirements
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A quick review of Swift
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Swift performance
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Swift on the server
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Features of Swift 5
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Summary
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Questions
3
Getting Started with the Vapor Framework
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Getting Started with the Vapor Framework
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The Vapor framework
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Comparing Vapor to Kitura, Perfect, and Smoke
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Installing Vapor
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Vapor in Action
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Summary
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Questions
4
Planning an Online Store Application
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Planning an Online Store Application
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Technical requirements
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Application layout for an online store
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User Manager
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Product Manager
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Order Manager
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API structure
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Summary
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Questions
5
Creating Your First Microservice
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Creating Your First Microservice
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Technical requirements
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Starting a new service
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Using models
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Using controllers
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Using workers
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Summary
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Questions
6
Application Structure and Database Design
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Application Structure and Database Design
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Technical requirements
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Understanding project setup and folder structure
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Installing Git and Docker
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Setting up Vapor and the database
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Setting up our services
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Summary
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Questions
7
Writing the User Service
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Writing the User Service
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Technical requirements
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Setting up and taking the first step
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Exploring routes
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Exploring models
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Logging in and registering
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Managing users
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Understanding address management
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Starting the service
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Summary
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Questions
8
Testing Microservices
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Testing Microservices
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Technical requirements
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Understanding unit tests
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Functional tests versus unit tests
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Trying functional tests via Postman
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Using isolation as a feature
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Testing multiple services together
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Summary
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Questions
9
Product Management Service
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Product Management Service
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Technical requirements
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Setting up the project
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Developing routes
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Writing the models we need
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Writing the controllers we need
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Testing the service
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Summary
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Questions
10
Understanding Microservices Communication
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Understanding Microservices Communication
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Technical requirements
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Understanding when to communicate
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Exploring good communication
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Understanding Message and Event Systems
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REST and WebSocket APIs
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Leveraging Swift
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Summary
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Questions
11
Order Management Service
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Order Management Service
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Technical requirements
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Getting started
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Creating our routes
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Creating our models
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Creating our controllers
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Extending the order management service
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Summary
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Questions
12
Best Practices
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Best Practices
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Technical requirements
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Simplicity for maintainability and stability
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Embracing Swift language perks
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Using abstract and concrete implementations
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Combining microservices
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Troubleshooting and debugging microservices
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Summary
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Questions
13
Hosting Microservices
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Hosting Microservices
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Technical requirements
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Setting up a microservice environment
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Exploring Swift on Linux
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Running Swift via Docker
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Environment variables
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Summary
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Questions
14
Docker and the Cloud
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Docker and the Cloud
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Technical requirements
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Exploring Docker Containers and Images
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Running Docker with AWS
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Running Docker in Google Cloud
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Running Docker with Digital Ocean
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Using Kubernetes
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Summary
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Questions
15
Deploying Microservices in the Cloud
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Deploying Microservices in the Cloud
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Technical requirements
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Setting up AWS and a Docker repository
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Setting up ECS
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Using CodePipeline for CD
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Summary
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Questions
16
Scaling and Monitoring Microservices
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Scaling and Monitoring Microservices
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Technical requirements
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Scaling microservices and the importance of monitoring
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Scaling and monitoring using AWS
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Scaling and monitoring using Google Cloud
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Scaling and monitoring using DigitalOcean
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Additional cloud providers
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Summary
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Questions
17
Assessment Answers
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Assessment Answers
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Chapter 1: Introduction to Microservices
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Chapter 2: Understanding Server-Side Swift
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Chapter 3: Getting Started with the Vapor Framework
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Chapter 4: Planning an Online Store Application
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Chapter 5: Creating Your First Microservice
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Chapter 6: Application Structure and Database Design
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Chapter 7: Writing the User Service
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Chapter 8: Testing Microservices
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Chapter 9: Product Management Service
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Chapter 10: Understanding Microservices Communication
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Chapter 11: Order Management Service
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Chapter 12: Best Practices
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Chapter 13: Hosting Microservices
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Chapter 14: Docker and the Cloud
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Chapter 15: Deploying Microservices in the Cloud
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Chapter 16: Scaling and Monitoring Microservices
18
Other Books You May Enjoy
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Other Books You May Enjoy
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Technical requirements

This section covers what you will need to have running on your machine so that you can write this microservice. The following components will need to be installed:

  • Vapor Toolbox
  • Swift 5.2+
  • Xcode 11+
  • macOS/Linux

We are also assuming that you have worked through the previous chapters and know how to write a Vapor microservice. Going through the creation of this microservice will focus on the new elements, not what was covered in Chapter 7, Writing the User Service. All code in this chapter will run on macOS and Linux alike.

The GitHub URL for this chapter is https://github.com/PacktPublishing/Hands-On-Swift-5-Microservices-Development/tree/master/Chapter 9/ProductService.

Now, let's start by setting up the project.

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Hands-On Swift 5 Microservices Development
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