A Short Story by Charlie Key
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This document provides a summary of tools and best practices for developing Node.js applications. It recommends using process managers like PM2 or Forever to prevent apps from crashing. It also suggests tools for debugging like node-inspector. The document then discusses concepts like statelessness, Redis for state, popular frameworks like Express and Hapi, and testing. It emphasizes best practices like horizontal scalability, avoiding recreating existing tools, early testing, and using streams.
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A Short Story by Charlie Key
- 1. FOR EVERYTHING A SHORT STORY BY CHARLIE KEY charlie@modulus.io - @zwigby
- 6. 0.6.8
- 7. LET YOUR PROCESS CRASH $ npm install pm2@latest -‐g pm2 Modern CLI process manager for Node apps with a builtin load-balancer $ pm2 start app.js $ npm install forever -‐g forever A simple CLI tool for ensuring that a given node script runs continuously (i.e. forever) $ forever start app.js
- 8. FIND ISSUES node-‐inspector Web Inspector based nodeJS debugger $ npm install node-‐inspector -‐g $ node-‐debug app.js
- 10. CONGRESS (API) APERTURE (WEBSITE) FULCRUM (CLI) MEDUSA (DEPLOYMENT MANAGER) APP HOST LOAD BALANCER CUSTOMER APP INCOMING TRAFFIC METRICS COLLECTION
- 12. npm versioning "dependencies": { "express": "*" } No Asterisks Please for the love don’t use asterisks. Use proper versioning. "dependencies": { "express": "4.0" }
- 13. LESSONS LEARNED stateless Keep your application as stateless as possible redis Great tool if you need to keep state
- 15. API The natural born use case for Node.js express Fast, unopinionated, minimalist web framework hapi HTTP Server framework - from the minds at Walmart restify REST framework
- 16. FINAL THOUGHTS horizontal scalability Be stateless or have a thought out solution don’t reinvent the wheel unless you want to, npm is there for a reason start testing early Pick a testing framework and start writing tests streams Learn to use them - streams adventure kiss Keep it simple stupid
- 17. SLIDE OF MANY THINGS pm2 www.npmjs.org/package/pm2 forever www.npmjs.org/package/forever node-‐inspector www.npmjs.org/package/node-‐inspector npm semver www.npmjs.org/doc/misc/semver.html redis redis.io expressjs expressjs.com hapi hapijs.com restify mcavage.me/node-‐restify jasmine jasmine.github.io stream-‐adventure www.npmjs.org/package/stream-‐adventure !
- 18. @zwigby