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Swift in the Cloud de L. Williamson

Swift in the Cloud

Autor L. Williamson
en Limba Engleză Paperback – 21 aug 2017

ABORDAREA PRACTICĂ: Swift in the Cloud prioritizează execuția imediată, oferind un raport optim între conceptele teoretice de infrastructură și fragmentele de cod gata de testat. Notăm cu interes că L. Williamson nu se rezumă la sintaxa limbajului, ci plasează Swift direct în centrul arhitecturilor scalabile, utilizând exemple de cod real pe care dezvoltatorii le pot rula în propriile sandbox-uri cloud. Ca și Marek Sadowski în Serverless Swift, autorul distilează experiența reală în principii acționabile, însă Swift in the Cloud se diferențiază prin focalizarea pe întregul ecosistem de livrare, de la gestionarea versiunilor cu Swiftenv până la orchestrarea cu containere Docker. Cartea este organizată logic pentru a facilita tranziția de la dezvoltarea locală la cea de enterprise: primele capitole demistifică proiectul open source Swift.org și mediile de execuție pe Linux, continuând cu integrarea bibliotecilor standard și Foundation. Structura cuprinsului indică o progresie tehnică riguroasă, acoperind interoperabilitatea cu bibliotecile C și gestiunea memoriei, elemente critice pentru performanța în cloud. Apreciem în mod deosebit secțiunile dedicate buildpack-urilor Cloud Foundry, care permit dezvoltatorilor să evite complexitatea configurațiilor de runtime. Această resursă publicată de John Wiley & Sons, Inc. transformă Swift dintr-un limbaj asociat strict ecosistemului Apple într-o soluție robustă pentru backend și microservicii, oferind un ghid definitiv pentru implementarea aplicațiilor pe infrastructuri de tip pay-as-you-go.

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Specificații

ISBN-13: 9781119319375
ISBN-10: 1119319374
Pagini: 264
Dimensiuni: 190 x 233 x 20 mm
Greutate: 0.46 kg
Editura: John Wiley & Sons, Inc.
Locul publicării:Hoboken, United States

Public țintă

software programmer professionals, especially those who work for or within enterprise application development organizations. The reader is expected to be moderately familiar with software programming in general, and also with the Apple Inc. line of products. Knowledge of client–server style and web application style software systems will be useful, as well as some rudimentary familiarity with cloud computing concepts and systems

De ce să citești această carte

Recomandăm această carte programatorilor care doresc să extindă utilizarea Swift dincolo de dispozitivele mobile. Veți câștiga competențe concrete în utilizarea Docker, gestionarea API-urilor REST și implementarea arhitecturilor serverless. Este resursa ideală pentru dezvoltatorii enterprise care urmăresc să unifice limbajul de programare pe tot stack-ul tehnologic, beneficiind de performanța și siguranța oferite de Swift în medii cloud complexe.

Despre autor

L. Williamson este un specialist recunoscut în dezvoltarea de aplicații enterprise, făcând parte din echipa de ingineri care a pionierat adaptarea limbajului Swift pentru mediile de calcul în cloud. Experiența sa este strâns legată de evoluția proiectului open source Swift.org și de integrarea acestuia cu platformele moderne de tip Cloud as a Service (CaaS). Prin activitatea sa, Williamson a contribuit la extinderea capabilităților Swift pe sisteme Linux și în infrastructuri scalabile, facilitând adopția limbajului de către organizațiile care dezvoltă soluții software complexe și robuste.

Cuprins

Introduction xxiii 1 Swift.org, the Open Source Project 1 What's Included 1 Source Code Repositories 2 How to Get Involved 5 Mailing Lists 7 Bug Tracking 8 Swift Evolution and Roadmap 12 Priorities for the Swift 4.0 Major Release 14 Binary Downloads 14 MacOS Binaries 15 Linux Binaries 16 Swiftenv, Swift Version Manager 17 Summary 17 2 A Swift Sandbox in the Cloud 19 The IBM Cloud Platform 19 Getting Started 26 Sign Me Up!. 26 Saving and Sharing Code Samples 28 Selecting Swift Versions and More 30 Have You Run on a Mainframe Lately? 30 IBM Swift Package Catalog and Sandbox 32 Summary 33 3 A Basic Introduction to Swift 35 Background 35 Let's Get Coding! 35 Swift Standard Library 35 Swift Foundation Library 37 C Library Interoperability 39 Concurrency Library 41 Memory Management 43 The Language Landscape 48 Language Groupings 48 Language Timeline 50 Summary 51 4 The IBM Bluemix Buildpack for Swift 53 Cloud Foundry Buildpacks 53 Buildpack Phases 54 Working with the IBM Bluemix Buildpack for Swift 55 Where Is the Source Code Hosted? 55 What Version of the Buildpack Is Currently Installed? 56 File Artifacts Required for Provisioning Your Application on Bluemix 58 Installing Additional System-Level Dependencies 61 Downloading Closed Source Dependencies 68 Examples of Using the IBM Bluemix Buildpack for Swift 69 Swift HelloWorld 69 Kitura Starter 74 BluePic 77 Using the Latest Code of the IBM Bluemix Buildpack for Swift 87 Summary 88 5 Using Containers on Bluemix to Run Swift Code 91 What Are Docker Containers? 91 Docker Images for Swift 92 Installing Docker. 93 Using Docker as a Development Tool 94 Exposing Your Swift Application's Port to the Host System 96 Using docker-compose 96 Why Use Containers on Bluemix? 98 Containers for Packaging and Deployment of Swift Applications 99 The Kubernetes Platform 99 Running Your Docker Image in the Bluemix Cloud 100 Install the Kubernetes Command Line 100 Install the Bluemix Command Line. 100 Install the IBM Container Registry Plug-In 102 Install the IBM Container Service Plug-In 102 Create a Runtime Image for Swift Applications 103 Tag a Docker Image 106 Push a Docker Image to Bluemix 107 Create a Kubernetes Cluster on Bluemix 108 High Availability in Kubernetes Clusters 112 Binding Bluemix Services to IBM Containers. 113 Summary 116 6 Swift Package Management 119 Swift Package Manager 119 Using Swift Package Manager 120 Commands 121 Package.Swift Details 123 Swift Package Catalog 123 Browsing 123 Searching 124 Package Details 126 Dependency Visualization 127 Trying Out a Package in the Sandbox 128 Summary 130 7 Swift and Kitura for Web Applications 131 Kitura 133 Sending Simple Responses to Requests 136 A Real-World Library Example 137 Accessing Information Sent in Requests 138 Starting the Library Application 140 Working with Various HTTP Features Using Kitura 149 Other Ways of Serving Content Using Kitura 155 Other Useful Kitura Middleware 157 Authentication Using the Kitura-Credentials Framework 159 The Library Sample with Authentication 160 Kitura and Data Access 163 Swift-Kuery 163 Kitura-redis 170 Summary 173 8 Serverless Programming with Swift 175 Microservices and Serverless Computing 175 Serverless Computing Concepts 177 OpenWhisk 179 Swift and OpenWhisk 182 Using the Web-Based OpenWhisk Tools 183 Command Line OpenWhisk 189 A More Involved Example 195 Summary 201 9 Over the Horizon: Where Do We Go from Here? 203 Bringing Swift to the Server 203 IBM Cloud Tools for Swift 204 Server-Side Frameworks 210 Expanding the Range of Swift 215 Swift Support for Linux 215 The Internet of Swift Things 215 Big Iron Swift 216 Swift DevOps 218 Summary 219 Index 221

Descriere scurtă

Write and run Swift language programs in the Cloud Written by the team of developers that has helped bring the Swift language to Cloud computing, this is the definitive guide to writing and running Swift language programs for cloud environment. In Swift in the Cloud, you'll find full coverage of all aspects of creating and running Swift language applications in Cloud computing environments, complete with examples of real code that you can start running and experimenting with today. Since Apple introduced the Swift language in 2014, it has become one of the most rapidly adopted computer programming languages in history--and now you too can start benefitting from using the same programming language for all components of a scalable, robust business software solution. * Create server applications using Swift and run them on pay-as-you-go cloud infrastructure * Quickly write and test Swift code snippets in your own cloud sandbox * Use Docker containers to deploy Swift applications into multiple cloud environments without having to change code * Grasp the elements and structure of the Swift.org open technology project * Find out how to avoid the complexities of runtime configuration by using Cloud Foundry buildpacks for Swift * Build high performing web applications and REST APIs with an open source Swift based web server framework * Scale up your cloud services by running Swift modules in an asynchronous, open source, 'serverless' cloud environment Whether you are already using Swift to build mobile applications or a seasoned web developer, Swift in the Cloud will help you leverage server-side Swift to power your next generation of applications.

Notă biografică

LEIGH WILLIAMSON is a technical leader in the IBM Cloud team who aids clients with cloud computing strategy and execution. JOHN PONZO is an IBM Fellow and the primary technical collaborator between Apple and IBM in refining Swift for both mobile client and cloud services development. PATRICK BOHRER is technical lead for IBM's global efforts around Swift@IBM Engineering. RICARDO OLIVIERI is an expert in the adoption of the Swift language on the server and the IBM cloud. KARL WEINMEISTER helped extend Swift from its mobile roots to become a full-stack language ecosystem. SAMUEL KALLNER is technical lead of the Kitura project at the IBM Research Lab in Haifa, Israel.