Node.js Crash Course - KCDC 2018

Node.js is a compelling platform that is quickly spreading from startups to the enterprise. Node.js strategically unites developers of all backgrounds through the common language of JavaScript. Why should you learn Node.js and where do you start?

Transcript

23. TITANIUM SPONSORS Platinum Sponsors Gold Sponsors
25. JavaScript… …has won the Web. Scott Hanselman
26. Any application that can be written in JavaScript… …will eventually be written in JavaScript (search for “jslinux”) Atwood’s Law:
27. JavaScript… …is tragically important. Douglas Crockford
34. Up Ahead • Why Node.js? • Crash course • Tools and frameworks • Integration strategies
42. ES 2016 (ES6) Support https://kangax.github.io/compat-table/es6/
43. What’s my story? • ASP.NET MVC, C# • SQL Server + NHibernate • JavaScript + JQuery
46. What’s my story? • JavaScript • Recruiting • Productive, less friction – Testing – Microservices – RabbitMQ, redis – Cross-platform
48. Why Node.js? • Rapid innovation & delivery • Developer happiness • Attract & retain talent • Performance “Why Node.js is Becoming the Go-To Technology in the Enterprise” – nearform.com
49. Why Node.js? productivity satisfaction performance lower costs Improved results year-over-year 2017 Node.js Foundation User Survey, Executive Summary
50. Node.js exemplifies… • Start with the simplest solution that works • Do one thing, and do it well
51. • Backend API for SPAs, Mobile apps, etc. • “Serverless” computing • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media • DevOps • Microservices Node.js Use Cases
52. Node.js Use Cases • Backend API for SPAs, Mobile apps, etc. • “Serverless” computing • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media • DevOps • Microservices
53. More than just backend • Create Automation Scripts • Internet of Things • Create CLI tools using nexe • Create Desktop Apps
54. Slack Visual Studio Code
55. Fandango • dramatically shorter development cycles • micro-services architecture • flexibility in deployment • easily scalable infrastructure “Fandango Goes Live with Node.js” – nearform.com
56. • 2x faster development with fewer developers • 33% fewer lines of code • 40% fewer files • 2x improvement requests/sec • 35% decrease in avg response time
57. • Black Friday, 2013 • Mobile platform • 200,000,000+ users • 10 CPU cores, 28 GB RAM • < 1% CPU utilization • Deployed updates
58. Who else is using Node.js? • NASA • Netflix • Amazon • Medium • GE • Wordpress • CapitalOne • eBay • Target • Airbnb • Samsung • GoPro
59. DevOps • Small footprint • Cross-platform • Event-driven • OSS tools • Containers
60. “What is Node.js used for: The 2015 Node.js Overview Report” – blog.risingstack.com
61. Installing Node.js https://nodejs.org
62. Installing Node.js Mac or Linux? Use nvm! https://github.com/creationix/nvm Windows? Use Chocolatey! https://chocolatey.org/ C:\> choco install nodejs.install > nvm install 8
63. Installing Node.js > node –v v8.11.3 > npm –v 5.6.0
64. module-usage-example.js
65. module-usage-example.js
66. module-usage-example.js
67. module-usage-example.js
68. module-usage-example.js
69. callback-example-1.js
70. callback-example-1.js
71. callback-example-1.js
72. callback-example-2.js
73. callback-example-2.js
74. callback-example-2.js
75. callback-example-2.js
76. callback-example-3.js
77. callback-example-3.js
78. callback-example-3.js
79. callback-example-3.js
80. temperature.js
81. temperature.js
82. temperature.js
83. temperature.js
84. temperature.js temp-example.js
85. temperature.js temp-example.js
86. temperature.js temp-example.js
87. temperature.js temp-example.js
88. temperature.js temp-example.js
89. config.js
90. config.js
91. config.js
92. config.js
93. config.js
94. config.js
95. config.js
96. config.js cfg-example.js
97. config.js cfg-example.js
98. config.js cfg-example.js
99. config.js cfg-example.js
100. config.js cfg-example.js
101. config.js cfg-example.js app.json
102. sql-example.js
103. sql-example.js
104. sql-example.js
105. sql-example.js
106. sql-example.js
107. sql-example2.js
108. sql-example2.js
109. sql-example2.js
111. Recommended toolbox Package What it do, yo nodemon automatically restarts in dev async async/parallel execution request, axios, or wreck http clients socket.io sockets, real-time jest, mocha, or lab test frameworks testdouble spies, stubs, mocks
112. Node frameworks MVC • Express • hapi • koa • Meteor • Sails API • Restify • LoopBack nodeframework.com
113. Deploying • Windows – iisnode for web apps – winser for services • Linux – forever • Docker
114. • Run .NET in-process • …including F#, ADO.NET, Python, and Powershell • Execute inline code, files, or assemblies • Alternative to writing native modules in C • .NET 4.5 or Mono 3.1
115. What can Edge.js do? • Leverage existing .NET investment • TFS, SharePoint, Exchange, etc. • Active Directory • Hardware (e.g. camera, microphone, printer, win32) • Video encoding, or other CPU-intensive work
116. Node.js Integration Strategies • Node.js as proxy or nginx • request module to call APIs • Messaging (e.g. RabbitMQ, ZeroMQ Azure Service Bus) • Edge.js for .NET
119. http://bit.ly/node-crash-course