Book Image

Hands-On Server-Side Web Development with Swift

By : Angus Yeung
Book Image

Hands-On Server-Side Web Development with Swift

By: Angus Yeung

Overview of this book

This book is about building professional web applications and web services using Swift 4.0 and leveraging two popular Swift web frameworks: Vapor 3.0 and Kitura 2.5. In the first part of this book, we’ll focus on the creation of basic web applications from Vapor and Kitura boilerplate projects. As the web apps start out simple, more useful techniques, such as unit test development, debugging, logging, and the build and release process, will be introduced to readers. In the second part, we’ll learn different aspects of web application development with server-side Swift, including setting up routes and controllers to process custom client requests, working with template engines such as Leaf and Stencil to create dynamic web content, beautifying the content with Bootstrap, managing user access with authentication framework, and leveraging the Object Relational Mapping (ORM) abstraction layer (Vapor’s Fluent and Kitura’s Kuery) to perform database operations. Finally, in the third part, we’ll develop web services in Swift and build our API Gateway, microservices and database backend in a three-tier architecture design. Readers will learn how to design RESTful APIs, work with asynchronous processes, and leverage container technology such as Docker in deploying microservices to cloud hosting services such as Vapor Cloud and IBM Cloud.

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Table of Contents (18 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Introducing Server-Side Swift
Introducing Server-Side Swift
Introducing Swift
Surveying Swift server-side frameworks
Choosing the right framework
Summary
2
Getting Started with Vapor and Kitura
Getting Started with Vapor and Kitura
Installing Vapor and Kitura on Mac
Installing Vapor and Kitura on Ubuntu
Exploring Vapor Toolbox and the Kitura CLI
Exploring the Kitura CLI
Summary
3
Building Your First Web App
Building Your First Web App
Creating an app using Vapor CLI
Reviewing source code in Vapor boilerplate
Adding more routes in Vapor
Creating an app using Kitura CLI
Reviewing source code in Kitura boilerplate
Adding more routes in Kitura
Summary
4
Debugging and Testing
Debugging and Testing
Writing tests for server-side Swift projects
Debugging in a server-side Swift project
Summary
5
Setting Up Routes and Controllers
Setting Up Routes and Controllers
Adding custom routes in a Vapor project
Adding custom routes in a Kitura project
Summary
6
Working with Template Engines
Working with Template Engines
Using the Leaf templating engine in Vapor
Templating with Stencil in a Kitura project
Summary
7
Bootstrapping Your Design
Bootstrapping Your Design
Getting started with the Bootstrap framework
Using Bootstrap for a Vapor application
Using Bootstrap for Kitura
Summary
8
Employing Storage Framework
Employing Storage Framework
Installing databases
Working with the Fluent Framework in Vapor
Working with the Database Abstraction Layer in Kitura
Summary
9
Adding Authentication
Adding Authentication
Introducing the authentication API for Vapor
Introducing authentication for Kitura
Summary
10
Understanding Technologies for Web Services
Understanding Technologies for Web Services
Serving clients with web services
Encapsulating business logic into microservices
Cloud deployment
Summary
11
Designing for API Gateway
Designing for API Gateway
Serving clients with the RESTful API
Designing the RESTful API
Implementing the endpoints and responses
Implementing API endpoints for Kitura
Summary
12
Deploying to the Cloud
Deploying to the Cloud
Deploying Vapor web service to Vapor Cloud
Deploying the Kitura web service to IBM Cloud
Summary
13
Developing an iPhone Client
Developing an iPhone Client
Developing an iOS App for a server-side Swift application
Adding content to TableViewController
Adding domain exceptions for App Transport Security
Adding a new entry to journal
Using the Delegate Pattern
Hooking up new functionalities for UI items
Finishing the CRUD operations
Summary
14
Developing Microservices
Developing Microservices
Leveraging Microservices in Backend Applications
Deploying a Containerized Application to a Cluster
Summary
15
Vapor Boilerplate Project
Vapor Boilerplate Project
Reviewing Vapor-generated files
Configuring Swift Package Manager
Starting with an entry point
Instantiating an application object
Configuring before instantiating application
Adding initialization code after application instantiation
Registering the application's routes
Implementing endpoint logic in controllers
Using a data model
16
Kitura Boilerplate Project
Kitura Boilerplate Project
Reviewing Kitura-generated files
Understanding generated sourcecode in Kitura
17
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Installing Vapor and Kitura on Mac

Even though you can start server-side Swift development on either macOS or Linux, you'll find it more convenient to develop server-side Swift projects on macOS with Apple's free Integrated Development Environment (IDE) tool, Xcode. Xcode has integrated many powerful editing and debugging features to streamline the workflow for code development with Swift; for example, syntax highlight, auto completion, refactoring, and code coverage for unit tests.

Follow the steps in the following sections to prepare your Mac for server-side Swift development with both Vapor 3.0 and Kitura 2.5. Skip the installation steps for macOS and go directly to the next section if you want to use the Linux environment instead.

Preparing your Mac for server-side Swift...

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