IBM & Server Side Swift - Making Your Mobile Developers Full Stack

A talk about Kitura 2.0, and the benefits of running Swift on the Server with IBM

Transcript

1. IBM & Server Side Swift
   Making Your Mobile Developers Full Stack
   By David Okun
   @dokun24
   

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2. A Brief History of Swift
   @dokun24
   

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3. A Brief History of Swift
   • June 2014 - Swift is released
   @dokun24
   

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4. A Brief History of Swift
   • June 2014 - Swift is released
   • June 2015 - Swift on Linux is announced
   @dokun24
   

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5. A Brief History of Swift
   • June 2014 - Swift is released
   • June 2015 - Swift on Linux is announced
   • December 2015 - swift.org goes live
   @dokun24
   

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6. A Brief History of Swift
   • June 2014 - Swift is released
   • June 2015 - Swift on Linux is announced
   • December 2015 - swift.org goes live
   • March 2016 - First Linux build available
   @dokun24
   

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7. A Brief History of Swift
   • June 2014 - Swift is released
   • June 2015 - Swift on Linux is announced
   • December 2015 - swift.org goes live
   • March 2016 - First Linux build available
   • June 2016 - Kitura at WWDC
   @dokun24
   

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8. A Brief History of Swift
   • June 2014 - Swift is released
   • June 2015 - Swift on Linux is announced
   • December 2015 - swift.org goes live
   • March 2016 - First Linux build available
   • June 2016 - Kitura at WWDC
   • October 2017 - Kitura 2.0
   @dokun24
   

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9. Kitura - HTTP for Swift
   @dokun24
   

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10. Kitura - HTTP for Swift
    • Architected like Express.js
    @dokun24
    

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11. Kitura - HTTP for Swift
    • Architected like Express.js
    • Written with Swift on Linux
    @dokun24
    

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12. Kitura - HTTP for Swift
    • Architected like Express.js
    • Written with Swift on Linux
    • Front-end templating
    @dokun24
    

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13. Kitura - HTTP for Swift
    • Architected like Express.js
    • Written with Swift on Linux
    • Front-end templating
    • Persistence layer compatibility
    @dokun24
    

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14. @dokun24
    

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15. @dokun24
    

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16. @dokun24
    

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17. @dokun24
    

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18. @dokun24
    

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19. @dokun24
    

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20. Kitura 2.0
    @dokun24
    

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21. Kitura 2.0
    • KituraKit - for clients
    @dokun24
    

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22. Kitura 2.0
    • KituraKit - for clients
    • A shiny new CLI
    @dokun24
    

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23. Kitura 2.0
    • KituraKit - for clients
    • A shiny new CLI
    • Codable routing
    @dokun24
    

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24. Codable?
    @dokun24
    

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25. Codable?
    @dokun24
    

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26. Kitura 1.x Parsing
    @dokun24
    

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27. Kitura 1.x Parsing
    router.post("/animals") { request, response, next in
    defer {
    next()
    }
    guard let animalJSON = request["animal"] as? [String: AnyObject] else {
    response.send(json: JSON(["Error" : "Could not parse object"]))
    }
    let animal = Animal(json: animalJSON)
    if animal.save() {
    response.status(.ok).send(json: JSON(animalJSON))
    } else {
    response.status(.badRequest)
    }
    }
    @dokun24
    

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28. Kitura 1.x Parsing
    @dokun24
    

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29. Kitura 1.x Parsing
    init? (json: [String: AnyObject]) {
    if let animalID = json[AnimalJSONConstants.id] as? Int,
    let photoURL = json[AnimalJSONConstants.photoURL] as? String,
    let looksFriendly = json[AnimalJSONConstants.looksFriendly] as? Bool,
    let plural = json[AnimalJSONConstants.plural] as? Bool,
    let typeString = json[AnimalJSONConstants.type] as? String {
    self.animalID = animalID
    self.photoURL = photoURL
    self.looksFriendly = looksFriendly
    self.plural = plural
    self.type = typeString == AnimalConstants.bear ? AnimalType.Bear : AnimalType.Cat
    } else {
    return nil
    }
    }
    @dokun24
    

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30. Kitura 2.x Parsing
    @dokun24
    

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31. Kitura 2.x Parsing
    @dokun24
    router.post(“/animals”, handler: store)
    func store(animal: Animal, completion: (Animal?, RequestError?) ->
    Void) -> Void {
    if animal.save() {
    completion(animal, nil)
    } else {
    completion(nil, RequestError(httpCode: .400))
    }
    }
    

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32. Codable Protocol
    @dokun24
    

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33. Codable Protocol
    • Responsible for encoding and decoding
    objects to another type, such as JSON
    @dokun24
    

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34. Codable Protocol
    • Responsible for encoding and decoding
    objects to another type, such as JSON
    • Sub-protocols: Encodable and Decodable
    @dokun24
    

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35. Codable Protocol
    • Responsible for encoding and decoding
    objects to another type, such as JSON
    • Sub-protocols: Encodable and Decodable
    • Forces an object to be ready-made for HTTP
    @dokun24
    

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36. Kitura CLI
    @dokun24
    

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37. Kitura CLI
    • Uses Yeoman to generate projects
    @dokun24
    

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38. Kitura CLI
    • Uses Yeoman to generate projects
    • Ready made for IBM Cloud deployment
    @dokun24
    

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39. Kitura CLI
    • Uses Yeoman to generate projects
    • Ready made for IBM Cloud deployment
    • Analytics, health, OpenAPI UI
    @dokun24
    

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40. Kitura CLI
    @dokun24
    

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41. Kitura CLI
    brew tap ibm-swift/kitura
    @dokun24
    

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42. Kitura CLI
    brew tap ibm-swift/kitura
    brew install kitura
    @dokun24
    

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43. Kitura CLI
    brew tap ibm-swift/kitura
    brew install kitura
    kitura init
    @dokun24
    

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44. Kitura CLI
    @dokun24
    

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45. Kitura CLI
    -rw-r--r-- 1 davidokunibm staff 992B Nov 6 13:26 Dockerfile
    -rw-r--r-- 1 davidokunibm staff 876B Nov 6 13:26 Dockerfile-tools
    drwxr-xr-x 37 davidokunibm staff 1.2K Nov 6 13:47 Application.xcodeproj
    -rw-r--r-- 1 davidokunibm staff 1.1K Nov 6 13:26 LICENSE
    -rw-r--r-- 1 davidokunibm staff 5.4K Nov 6 13:26 Package.resolved
    -rw-r--r-- 1 davidokunibm staff 1.1K Nov 6 13:26 Package.swift
    -rw-r--r-- 1 davidokunibm staff 6.7K Nov 6 13:26 README.md
    drwxr-xr-x 4 davidokunibm staff 136B Nov 6 13:26 Sources
    drwxr-xr-x 4 davidokunibm staff 136B Nov 6 13:26 Tests
    drwxr-xr-x 3 davidokunibm staff 102B Nov 6 13:26 chart
    -rw-r--r-- 1 davidokunibm staff 2.0K Nov 6 13:26 cli-config.yml
    -rw-r--r-- 1 davidokunibm staff 154B Nov 6 13:26 manifest.yml
    drwxr-xr-x 7 davidokunibm staff 238B Nov 6 14:28 public
    -rw-r--r-- 1 davidokunibm staff 110B Nov 6 13:26 spec.json
    @dokun24
    

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46. Kitura CLI
    @dokun24
    

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47. Kitura CLI
    kitura create // interactively create a project
    @dokun24
    

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48. Kitura CLI
    kitura create // interactively create a project
    kitura kit // download the KituraKit zip file
    @dokun24
    

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49. Kitura CLI
    kitura create // interactively create a project
    kitura kit // download the KituraKit zip file
    kitura idt // install IBM Cloud Developer Tools
    @dokun24
    

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50. Kitura CLI
    kitura create // interactively create a project
    kitura kit // download the KituraKit zip file
    kitura idt // install IBM Cloud Developer Tools
    kitura build // build the project in a local container
    @dokun24
    

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51. Kitura CLI
    kitura create // interactively create a project
    kitura kit // download the KituraKit zip file
    kitura idt // install IBM Cloud Developer Tools
    kitura build // build the project in a local container
    kitura run // run the project in a local container
    @dokun24
    

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52. Kitura Demo
    @dokun24
    

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53. Resources
    @dokun24
    

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54. Resources
    • http://kitura.io
    @dokun24
    

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55. Resources
    • http://kitura.io
    • https://developer.ibm.com/swift/
    @dokun24
    

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56. Resources
    • http://kitura.io
    • https://developer.ibm.com/swift/
    • https://github.com/ibm/foodtrackerbackend
    @dokun24
    

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57. Thanks!
    @dokun24
    

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