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

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ES 2016 (ES6) Support https://kangax.github.io/compat-table/es6/

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

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What’s my story? • JavaScript • Recruiting • Productive, less friction – Testing – Microservices – RabbitMQ, 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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Why Node.js? productivity satisfaction performance lower costs Improved results year-over-year 2017 Node.js Foundation User Survey, Executive Summary

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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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• Backend API for SPAs, Mobile apps, etc. • “Serverless” computing • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media Node.js Use Cases

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• Backend API for SPAs, Mobile apps, etc. • “Serverless” computing • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media Node.js Use Cases

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More than just backend • Automation Scripts (DevOps) • CLI tools (compile with nexe) • Microservices • Internet of Things • Desktop Apps

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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? • NASA • Netflix • Amazon • Medium • GE • Wordpress • CapitalOne • eBay • Target • Airbnb • Samsung • GoPro

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

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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 https://nodejs.org

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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 10

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Installing Node.js > node –v v10.11.0 > npm –v 6.4.1

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module-usage-example.js

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temperature.js

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temperature.js temp-example.js

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config.js cfg-example.js

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config.js cfg-example.js app.json

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Recommended toolbox Package What it do, yo nodemon automatically restarts in dev jest, mocha, or lab test frameworks testdouble spies, stubs, mocks eslint lint and format rules for JavaScript request, axios, or wreck http clients socket.io sockets, real-time

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Node frameworks MVC • Express • hapi • koa • fastify API • Restify • LoopBack nodeframework.com

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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

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https://bit.ly/node-crash-course

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