Swift on the ServerRobert F. DickersonDevoxx US, March 2017

@rfdickerson

Swift Programming Language

Strong types

Static types

Automatic Reference Counting

Optionals

Algebraic Data types

Closures

@rfdickerson

Swift language growth

RedMonk rating: 11

@rfdickerson

Why Swift on the Server?

@rfdickerson

Performant ApplicationsD

urat

ion

(s) l

ower

is b

ette

r

0

33.5

67

100.5

134

Swift Java NodeJS Ruby

134.2

15.84.34

@rfdickerson

Low MemoryD

urat

ion

(s) l

ower

is b

ette

r

0.00

15.00

30.00

45.00

60.00

Swift Java NodeJS Ruby

54.6

25.332.2

15

@rfdickerson

Swift is ideal for Cloud

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Isomorphic Development

mobilebackend

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Use familiar libraries

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Server-side Swift Frameworks

KituraVaporPerfect Zewokitura.io

http://www.zewo.io/www.vapor.io

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Routing with Kitura

router.get("/hello") { request, response, callNextHandler in

response.status(.OK).send("Hello, World!") callNextHandler() }

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FROM ibmcom/swift-ubuntu-runtime:latest LABEL Description=""

EXPOSE 8080

WORKDIR $HOME COPY . $HOME

RUN swift build —configuration release CMD .build/release/Server

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Swift Working Group

Create standards for:

• Basic Networking

• Security and Encryption

• HTTP and Websockets

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Swift Sandbox

https://swift.sandbox.bluemix.net

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Package Catalog

https://packagecatalog.com

@rfdickerson

BookLearn about:

• Eliminate bugs in your programs• Managing asynchrony• Swift Package Manager• Writing a REST webservice• Authentication• Database