Node.js Crash Course (Music City Code 2016)

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let trustMe = { has: ["Beard", "Motorcycle"], consumes: ["Bacon", "Caffeine"] };

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JavaScript… …has won the Web. Scott Hanselman

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Any application that can be written in JavaScript… …will eventually be written in JavaScript (search for “jslinux”) Atwood’s Law:

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JavaScript… …is tragically important. Douglas Crockford

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Up Ahead • Why Node.js? • Crash course • Tools and frameworks • Integration strategies

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ES 2016 (ES6) Support http://node.green

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What’s our story? • ASP.NET MVC, C# • SQL Server + NHibernate • JavaScript + JQuery

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What’s our story? • JavaScript • Recruiting • Productive, less friction – Testing – Microservices – RabbitMQ, riak, redis – Cross-platform

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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

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Node.js exemplifies… • Start with the simplest solution that works • Do one thing, and do it well

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• Single-page apps • API server (REST, Hypermedia, etc.) • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media • Dashboards • Proxy service Node.js Use Cases

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Node.js Use Cases • Single-page apps • API server (REST, Hypermedia, etc.) • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media • Dashboards • Proxy service

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More than just backend • Create Automation Scripts • Create CLI tools using nexe • Create Desktop Apps

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Atom Atom Slack Visual Studio Code

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Fandango • dramatically shorter development cycles • micro-services architecture • flexibility in deployment • easily scalable infrastructure “Fandango Goes Live with Node.js” – nearform.com

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• 2x faster development with fewer developers • 33% fewer lines of code • 40% fewer files • 2x improvement requests/sec • 35% decrease in avg response time

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• Black Friday, 2013 • Mobile platform • 200,000,000+ users • 10 CPU cores, 28 GB RAM • < 1% CPU utilization • Deployed updates

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Who else is using Node.js? • Dow Jones (WSJ) • eBay • Groupon • LinkedIn • IBM • Redhat • The New York Times • Uber • Yammer • GoDaddy

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DevOps • Small footprint • Cross-platform • Event-driven • OSS tools

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“What is Node.js used for: The 2015 Node.js Overview Report” – blog.risingstack.com

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Installing Node.js 1. https://nodejs.org 2. Click a download link 3. Run installer – OR – Install using Chocolatey (https://chocolatey.org) C:\> choco install nodejs.install

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Installing Node.js C:\> node –v v6.3.1 C:\> npm –v 3.10.5

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Dependencies – OR – Python 2.x (https://python.org/downloads/ C:\> choco install python2

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Dependencies – OR – Visual C++ Build Tools 2015 – OR – Visual Studio Community 2015 C:\> choco install microsoft-build-tools

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Node.js Tools for Visual Studio https://github.com/Microsoft/nodejstools Minimum requirements: • VS 2012 Pro or VS Community 2013/2015 • Latest VS updates • VS + Node.js Tools Azure VM

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Visual Studio Code https://code.visualstudio.com/ • Linux, Mac OSX, and Windows • code assistance • debugging

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C:\projects\myapp> npm init C:\projects\myapp> npm install --save lodash

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module-examples.js

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module-examples.js

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module-examples.js

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module-examples.js

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module-examples.js

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module-examples.js

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module-examples.js

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temperature.js

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temperature.js

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temperature.js

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