Node.js Crash Course - All Things Open 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? You will come away from this talk with the evidence to support Node.js, and tools you need to be productive. We will walk through a typical workflow of creating and debugging a web application. We’ll also look at popular frameworks and modules, and other learning resources to give you the best start.

Transcript

34. Up Ahead • Why Node.js? • Crash course • Tools and frameworks • Integration strategies
43. ES 2016 (ES6) Support https://kangax.github.io/compat-table/es6/
44. What’s my story? • ASP.NET MVC, C# • SQL Server + NHibernate • JavaScript + JQuery
47. What’s my story? • JavaScript • Recruiting • Productive, less friction – Testing – Microservices – RabbitMQ, redis – Cross-platform
49. 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
50. Why Node.js? productivity satisfaction performance lower costs Improved results year-over-year 2017 Node.js Foundation User Survey, Executive Summary
51. Node.js exemplifies… • Start with the simplest solution that works • Do one thing, and do it well
52. • Backend API for SPAs, Mobile apps, etc. • “Serverless” computing • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media Node.js Use Cases
53. • Backend API for SPAs, Mobile apps, etc. • “Serverless” computing • Real-time, streaming • WebSockets, push notifications • Chat, IM, social media Node.js Use Cases
54. More than just backend • Automation Scripts (DevOps) • CLI tools (compile with nexe) • Microservices • Internet of Things • Desktop Apps
55. Slack Visual Studio Code
56. Fandango • dramatically shorter development cycles • micro-services architecture • flexibility in deployment • easily scalable infrastructure “Fandango Goes Live with Node.js” – nearform.com
57. • 2x faster development with fewer developers • 33% fewer lines of code • 40% fewer files • 2x improvement requests/sec • 35% decrease in avg response time
58. • Black Friday, 2013 • Mobile platform • 200,000,000+ users • 10 CPU cores, 28 GB RAM • < 1% CPU utilization • Deployed updates
59. Who else is using Node.js? • NASA • Netflix • Amazon • Medium • GE • Wordpress • CapitalOne • eBay • Target • Airbnb • Samsung • GoPro
60. DevOps • Small footprint • Cross-platform • Event-driven • OSS tools • Containers
61. “What is Node.js used for: The 2015 Node.js Overview Report” – blog.risingstack.com
62. Installing Node.js https://nodejs.org
63. 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
64. Installing Node.js > node –v v10.11.0 > npm –v 6.4.1
65. module-usage-example.js
66. module-usage-example.js
67. module-usage-example.js
68. module-usage-example.js
69. module-usage-example.js
70. callback-example-1.js
71. callback-example-1.js
72. callback-example-1.js
73. callback-example-2.js
74. callback-example-2.js
75. callback-example-2.js
76. callback-example-2.js
77. callback-example-3.js
78. callback-example-3.js
79. callback-example-3.js
80. callback-example-3.js
81. temperature.js
82. temperature.js
83. temperature.js
84. temperature.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. temperature.js temp-example.js
90. config.js
91. config.js
92. config.js
93. config.js
94. config.js
95. config.js
96. config.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
102. config.js cfg-example.js app.json
103. sql-example.js
104. sql-example.js
105. sql-example.js
106. sql-example.js
107. sql-example.js
108. sql-example2.js
109. sql-example2.js
110. sql-example2.js
112. 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
113. Node frameworks MVC • Express • hapi • koa • fastify API • Restify • LoopBack nodeframework.com
115. 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
117. https://bit.ly/node-crash-course