Server Side Swift with Perfect: Getting Started

Perfect is an open source server side Swift framework, that help swift developers to build applications and other REST services. If we use Perfect to create a backend for an iOS application, it’s easy to stay consistent by sticking to one language and code style. In this tutorial, I will teach you to build a simple local server by Perfect.

A. Build a simple local server by Perfect

1.Use Terminal to create a project

1. mkdir hello-perfect
2. cd hello-perfect/
3. swift package init –type executable
4. swift package generate-xcodeproj
5. open ./hello-perfect.xcodeproj/

2.Add a dependency Library

1. Add the below red highlighted code in the Package.swift file
2. Enter the below two command lines in Terminal
   • swift package update
   • swift package generate-xcodeproj

    

3. import PerfectLib, PerfectHttp and PerfectHttpServer in main.swift file to check whether it added the dependency successfully.

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3.Create Http Server

1. Use Terminal to create webroot folder and create hello.txt in this folder.
   • mkdir webroot
   • touch webroot/hello.txt
   • swift package generate-xcodeproj
2. add below code in main.swift.                                           
3. edit scheme
4. Build&Run            
5. Use web browser to visit http://localhost:8080/hello.txt

B.Simple Request Demo

1.A simple request

1. Add below code in Main.swift file                                             
2. Use the web browser to visit  http://localhost:8080

2.Return the requested data in JSON format

1. Add below code in Main.swift file
2. Use web browser to visit http://localhost:8080/hello

3.Simple GET request to receive parameter

1. Add GET request code in Main.swift file
2. Use web browser to visit http://localhost:8080/books/90

4.Simple POST request to receive parameters

1. Add POST request code in Main.swift file
2. Use POST MAN to check