let swift(16)

Docker + Swift Server-Side

OSXDEV.orgByungwook�AhnOSXDEV.orgWonseok�Yang

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Experienced

Device driver(windows, linux) Media streaming CDN Docker

Letswift Conf. 2016 Speaker Tensorflow-KR 2016 Speaker PyCon Hongkong 2015 Speaker PyCon Korea 2015 Speaker

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Agenda

WWDC 2016 - swift session

Server-Side?

Swift backend framework

VirtualBox, Kitura, Docker

myFirstProject

Demo

Summary

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WWDC 2016 - swift session Swift

What’s New in Swift : https://developer.apple.com/videos/play/wwdc2016/402/

Client-Side

What’s New in Foundation for Swift : https://developer.apple.com/videos/play/wwdc2016/207/

Getting Started with Swift : https://developer.apple.com/videos/play/wwdc2016/404/

Introducing Swift Playgrounds : https://developer.apple.com/videos/play/wwdc2016/408/

Swift API Design Guidelines : https://developer.apple.com/videos/play/wwdc2016/403/

Understanding Swift Performance : https://developer.apple.com/videos/play/wwdc2016/416/

Concurrent Programming With GCD in Swift 3 : https://developer.apple.com/videos/play/wwdc2016/720/

Using Store Kit for In-App Purchase wit Swift 3 : https://developer.apple.com/videos/play/wwdc2016/702/

Server-Side

Going Server-side with Swift Open Source : https://developer.apple.com/videos/play/wwdc2016/415/

Software Engineer

@red

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Server-Side? Backend Web Framework

Web Framework?

Ajax asynchronous Javascript and XML

MVC framework Model/View/Controller

i18n Internationalization ( ex:date … )

ORM Object Relational Mapping(RDB)

Testing framework Framework JUnit, Cedar…

Security Framework Spring Security(OAuth)

Template Framework Mustache

Caching Framework redis, Ehcache6

Kitura Perfect

Hosted IBM perfect.org

latest version v0.20.0 v1.0.0

started date Feb 9, 2016 Oct 3, 2015

License Apache 2.0 Apache 2.0

MySQL O O

SQLite O O

Redis O O

HTTP URL routing O O

Parmeter Parsing O O

JSON O O

OAuth Kitura-Credentials -

Package/3rdParty Library Many ?

Swift backend framework

Most popular Swift backend framework : Zewo,Vapor…

let swift(16)

VirtualBox, Kitura, Docker

https://github.com/bwahn/letswift2016-conference8

VirtualBox(vagrantfile)# -*- mode: ruby -*-

# vi: set ft=ruby :

BOX_URL = 'https://cloud-images.ubuntu.com/vagrant/wily/current/wily-server-cloudimg-amd64-vagrant-disk1.box'.freeze

SWIFT_PATH = 'https://swift.org/builds/development/ubuntu1510/swift-DEVELOPMENT-SNAPSHOT-2016-06-06-a'.freeze

SWIFT_DIRECTORY = 'swift-DEVELOPMENT-SNAPSHOT-2016-06-06-a-ubuntu15.10'.freeze

SWIFT_FILE = "#{SWIFT_DIRECTORY}.tar.gz".freeze

SWIFT_HOME = "/home/vagrant/#{SWIFT_DIRECTORY}".freeze

LIBDISPATCH_URL = '-b experimental/foundation https://github.com/apple/swift-corelibs-libdispatch'.freeze

KITURA_URL = 'https://github.com/IBM-Swift/Kitura.git'.freeze

KITURA_BRANCH = 'master'.freeze

Vagrant.configure(2) do |config|

config.vm.box = BOX_URL

config.vm.network 'forwarded_port', guest: 8090, host: 8090

Swift 3.0

For Restful-APIs

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KITURA master

###

# 1. Install compiler, autotools

sudo apt-get --assume-yes install clang

sudo apt-get --assume-yes install autoconf libtool pkg-config

# 2. Install dtrace (to generate provider.h)

sudo apt-get --assume-yes install systemtap-sdt-dev

# 3. Install libdispatch pre-reqs

sudo apt-get --assume-yes install libblocksruntime-dev libkqueue-dev libpthread-workqueue-dev libbsd-dev

# 4. Kitura packages

sudo apt-get --assume-yes install libhttp-parser-dev libcurl4-openssl-dev libhiredis-dev

Install packages

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### Download and install Kitura

git clone #{KITURA_URL} -b #{KITURA_BRANCH}

cd Kitura

swift build -Xcc -fblocks

cd ..

$ vagrant up

let swift(16)

myFirstProject

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$ vagrant ssh

vagrant@vagrant-ubuntu-wily-64: $ mkdir myFirstProject vagrant@vagrant-ubuntu-wily-64: $ cd myFirstProject vagrant@vagrant-ubuntu-wily-64: $ swift package init

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$ vi package.swift

import PackageDescription

let package = Package( name: "myFirstProject", dependencies: [ .Package(url: "https://github.com/IBM-Swift/Kitura.git", majorVersion: 0, minor: 20) ])

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$ vi Sources/main.swift import Kitura

let router = Router()

router.get("/") { request, response, next in response.send("Hello, World!") next() }

Kitura.addHTTPServer(onPort: 8090, with: router) Kitura.run()

$ swift build -Xcc -fblocks $ ./build/debug/myFirstProject

let swift(16)

For Docker

For Docker build

Run a letswift-api server

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Docker build

$ git clone https://github.com/bwahn/letswift2016-conference.git

$ docker build -t swift-api .

Docker run

$ docker run -d -p 8090:8090 --name api swift-api:latest

image(swift-api:latest)$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE swift-api latest 829e110bd520 3 hours ago 1.524 GB ibmcom/kitura-ubuntu latest 20cb1052cd2e 2 weeks ago 1.524 GB ibmcom/swift-ubuntu latest b4daffd2bbaf 2 weeks ago 1.233 GB

Virtual Box VM - Ubuntu

$ docker run -d -p 8090 --name api1 swift-api:latest $ docker run -d -p 8090 --name api2 swift-api:latest $ docker run -d -p 8090 --name api3 swift-api:latest

… … ..

macOSport

8090:8090

? => scale up $ docker-compose

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let swift(16)

Demo : Introduction

“I Hate Objective-C” Application

Client : Swift 2.2 ( Cocoa-touch)

Server : Swift 3 ( Kitura)

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Architecture

MySQLCloud End-Point

swift backend

swift backend

swift backend

Google Container cluster

Swift App

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Dev/Prod Environment

Virtual Box VM - Ubuntu (Swift - backend)

google container registry

Swift - Client

Google Cloud Platform

swift backend

swift backend

swift backend

MySQL

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================================== Description : get a number of vote Request: Verb: GET URL: http://letswift-api:8090/vote Response: HTTP code: 200 Body: { "objective-c": 100, "swift": 100 } ================================== Description : Increase a vote Request: Verb: PUT URL: http://letswift-api:8090/votes/objectivec_voted Request: Verb: PUT URL: http://letswift-api:8090/votes/swift_voted Response: HTTP code: 200

let swift(16)

Let’s vote!

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let swift(16)