Server-Side Swift State of the Union from AltConf San Jose 2019.

1. slack.kitura.io
kitura.io
Server-Side Swift
State of the Union
Chris Bailey
Kitura Project Lead
Swift Server Work Group (SSWG)
@Chris__Bailey
AltConf 2019 - San Jose

2. Why
Server-Side Swift?

3. ?
Standalone
MBaaS
Bespoke
📱 Mobile backends

4. 📱 Mobile backends

5. Fast startup Low memory Interoperability
🔬 Microservices

6. Progress

7. 2015

8. 2015 Perfect Released
November 2015

9. • Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
2015

10. 2015 Swift released to Open Source
December 2015
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released

11. • Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
2015

12. 2016 Vapor Released (0.1)
January 2016
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released

13. • Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
2016

14. 2016
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
KITURA
Kitura Released (0.0.1)
February 2016

15. KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
2016

16. 2016 Perfect 1.0
March 2016
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released

17. KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
2016

18. Swift 3.0
September 20162016
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released

19. KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
2016

20. 2016 Perfect 2.0
September 2016
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0

21. KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
2016

22. 2016 Vapor 1.0
September 2016
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0

23. KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
2016

24. 2016 KITURA
Kitura 1.0
September 2016
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0

25. KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
2016

26. 2016 Swift Server Work Group Formed
October 2016
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0

27. KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0 • Swift Server Work Group
2016

28. 2017 Vapor 2.0
May 2017
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0 • Swift Server Work Group

29. KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Swift Server Work Group
2017

30. Swift 4.0 released
September 20172017
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Swift Server Work Group

31. KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
2017

32. 2017 Perfect 3.0
September 2017
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group

33. KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
2017

34. 2017 KITURA
Kitura 2.0
October 2017
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group

35. KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
2017

36. 2018 Swift-NIO Released
February 2018
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group

37. KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Vapor 3.0
• Swift NIO
• Swift Server Work Group
2018

38. 2018 Vapor 3.0
May 2018
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Vapor 3.0
• Swift NIO
• Swift Server Work Group

39. 2018
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
• Vapor 3.0
• Swift NIO

40. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
• Vapor 3.0
• Swift NIO
Swift 5 Released
March 2019

41. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
• Vapor 3.0
• Swift NIO
• Swift-NIO 2.0
• Swift 5

42. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Swift Server Work Group
• Vapor 3.0
• Swift NIO
• Swift-NIO 2.0
• Swift 5
Swift NIO 2.0
April 2019

43. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Vapor 3.0
• Swift NIO
• Swift Server Work Group
• Swift-NIO 2.0
• Swift 5

44. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Vapor 3.0
• Swift NIO
• Swift Server Work Group
• Swift-NIO 2.0
• Swift 5
Rapid Innovation

45. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Vapor 3.0
• Swift NIO
• Swift Server Work Group
• Swift-NIO 2.0
• Swift 5
Rapid Innovation
Swiftification

46. 2019
KITURA
KITURA
KITURA
• Perfect 1.0
• Kitura released
• Vapor released
• Swift open sourced
• Perfect released
• Kitura 1.0
• Vapor 1.0
• Perfect 2.0
• Swift 3.0
• Vapor 2.0
• Kitura 2.0
• Perfect 3.0
• Swift 4.0
• Vapor 3.0
• Swift NIO
• Swift Server Work Group
• Swift-NIO 2.0
• Swift 5
Rapid Innovation
Swiftification
Standardization

47. Current Status

48. 11,000
SwiftPM Packages

49. 11,000
SwiftPM

50. 11,000
SwiftPM
830,000
NPM

51. 212500
425000
637500
850000
2011/03/19
2012/03/18
2013/03/18
2014/03/18
2015/03/18
2016/03/17
2017/03/17
2018/03/17
2019/03/17
11,000
SwiftPM
830,000
NPM

52. 3750
7500
11250
15000
11,000
SwiftPM
14,857
NPM
Shifted for time since Swift 3.0

54. Swift Server Work Group (SSWG)

55. Pitch Proposal
Swift Server Work Group (SSWG)
Incubation Process
http://forums.swift.org/c/server/pitches
http://forums.swift.org/c/server/proposals
http://github.com/swift-server/sswg

56. Pitch Proposal
Sandbox
Incubating
Swift Server Work Group (SSWG)
Incubation Process
http://forums.swift.org/c/server/pitches
http://forums.swift.org/c/server/proposals
http://github.com/swift-server/sswg

57. Pitch Proposal
Sandbox
Incubating
Graduated
Swift Server Work Group (SSWG)
Incubation Process
http://forums.swift.org/c/server/pitches
http://forums.swift.org/c/server/proposals
http://github.com/swift-server/sswg

58. Swift Server Work Group (SSWG)
First Projects

59. Swift Server Work Group (SSWG)
First Projects

60. Swift Server Work Group (SSWG)
First Projects
Metrics

61. Swift Server Work Group (SSWG)
First Projects
Metrics

62. Swift Server Work Group (SSWG)
First Projects
Metrics

63. SwiftNIO

64. SwiftNIO Logging Metrics

65. SwiftNIO Logging Metrics
Redis
Postgres

66. SwiftNIO Logging Metrics
Redis
Postgres
Docker

67. SwiftNIO Logging Metrics
Redis
Postgres
Docker
Frameworks

68. SwiftNIO Logging Metrics
Redis
Postgres
Docker
Frameworks
KITURA

69. SwiftNIO Logging Metrics
Redis
Postgres
Docker
Frameworks
KITURA

70. Docker
SwiftNIO Logging Metrics
Redis
Postgres
Distributed
Tracing
Crypto
Frameworks
KITURA

71. KITURA
KITURAVAPOR Perfect

72. KITURA
KITURAVAPOR Perfect
Performance and Scalability

73. KITURA
KITURAVAPOR Perfect
REST APIs and Web Applications
Performance and Scalability

74. KITURA
KITURAVAPOR Perfect
REST APIs and Web Applications
Performance and Scalability
Authentication and Security

75. KITURA
KITURAVAPOR Perfect
REST APIs and Web Applications
Performance and Scalability
Authentication and Security
Persistence and Data Storage

76. KITURA
KITURAVAPOR Perfect
REST APIs and Web Applications
Performance and Scalability
Authentication and Security
Persistence and Data Storage
Cloud Integration

77. By Brian Schick
Feb 25 2019 · Article (25 mins) · Beginner
Vapor vs. Kitura: Choosing a
Server-Side Swift Framework
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework

78. VAPOR
func getAllHandler(_ req: Request) throws -> Future<[User]> {
return User.query(on: req).all()
}
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework

79. VAPOR
func getAllHandler(_ req: Request) throws -> Future<[User]> {
return User.query(on: req).all()
}
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework

80. VAPOR
func getAllHandler(_ req: Request) throws -> Future<[User]> {
let user = try req.requireAuthenticated(User.self)
return User.query(on: req).all()
}
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework

81. VAPOR
func userHandler(_ req: Request) throws -> Future<View> {
return try req.parameters.next(User.self)
}
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework
func getAllHandler(_ req: Request) throws -> Future<[User]> {
let user = try req.requireAuthenticated(User.self)
return User.query(on: req).all()
}

82. VAPOR
func userHandler(_ req: Request) throws -> Future<View> {
return try req.parameters.next(User.self)
.flatMap(to: View.self) { user in
return try user.acronyms
.query(on: req)
.all()
}
}
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework
func getAllHandler(_ req: Request) throws -> Future<[User]> {
let user = try req.requireAuthenticated(User.self)
return User.query(on: req).all()
}

83. VAPOR
func userHandler(_ req: Request) throws -> Future<View> {
return try req.parameters.next(User.self)
.flatMap(to: View.self) { user in
return try user.acronyms
.query(on: req)
.all()
.flatMap(to: View.self) { acronyms in
let context = UserContext(title: user.name, user: user, acronyms: acronyms)
return try req.view().render("user", context)
}
}
}
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework
func getAllHandler(_ req: Request) throws -> Future<[User]> {
let user = try req.requireAuthenticated(User.self)
return User.query(on: req).all()
}

84. func getEntries(user: UserAuth, query: JournalEntryParams?,
completion: @escaping ([JournalEntry]?, RequestError?) -> Void) {
JournalEntry.findAll(matching: query, for: user, completion)
}
KITURA
https://www.raywenderlich.com/1323930-vapor-vs-kitura-choosing-a-server-side-swift-framework

85. 🏎 Ecosystem momentum
🏁
Accelerated Linux
releases

86. 🏎 Ecosystem momentum
🏁
Accelerated Linux
releases
🛠
More platforms

87. 🏎 Ecosystem momentum
⌨🏁
Accelerated Linux
releases
🛠
More platforms Language Server
Protocol (LSP)

88. Language Server
Protocol (LSP)⌨

89. Language Server
Protocol (LSP)
Visual Studio Code
⌨

90. Language Server
Protocol (LSP)
Visual Studio Code Swift Studio
⌨

91. Cloud Deployments

92. IBM Cloud
Cloud Deployments

93. “But is it anyone really using it?”

94. KITURA
Powered by
Kitura

95. Record and playback API
requests and responses
KITURA
Powered by
Kitura
Imitation

96. Kitura based HTTP/HTTPS
server configured to run on
iOS devices and simulators
KITURA
Powered by
Kitura
Record and playback API
requests and responses
Imitation

97. 🎓 Meetr
Meetr is a Conference Augmentation System
KITURA
Powered by
Kitura

98. 🎓 Meetr
Meetr is a Conference Augmentation System
KITURA
Powered by
Kitura
Erwin Mazariegos

99. “Right, but is it anyone really using it at scale?”

100. 🎓 onlineswiftplayground.run KITURA
Powered by
Kitura

101. 🎓 www.agenda.com KITURA
Powered by
Kitura

102. 🎓 www.agenda.com KITURA
Powered by
Kitura

103. bit.ly/swiftallegro
🎓 Case study: Allegro
Powered by
Vapor

104. Ask Mercedes KITURA
Powered by
Kitura

105. “Right, but would anyone really put money on it?”

107. 🎓 www.bankingofthings.io KITURA
Powered by
Kitura

108. KITUR
Powered by
Kitura

109. KITUR
Powered by
Kitura

110. KITUR
Powered by
Kitura

111. KITUR
Powered by
Kitura

112. KITUR
Powered by
Kitura

113. KITUR
Powered by
Kitura

114. 👓 Production monitoring: CPU
0.4% CPU
KITURA
Powered by
Kitura

115. 👓 Production monitoring: RAM
25 MB
KITURA
Powered by
Kitura

116. SERVER-SIDE SWIFT

117. SERVER-SIDE SWIFT

118. SERVER-SIDE SWIFT

119. SERVER-SIDE SWIFT

120. SERVER-SIDE SWIFT

121. ServerSide.swift
Server-Side Swift Conference
30th October - 1st November 2019. Copenhagen, Denmark.

122. 🙏 Thank you