What is in your NPM Install? Point of view from a JEE developer why your package.json is growing and growing and what you can do to start to get a handle on dependency hell.

1. Aug 2018
What’s in your JS?
A little dribble from a JEE Developer looking at the JS Ecosystem in 2018
Ravi Lachhman

2. Ravi Lachhman
● Technical Evangelist at AppDynamics.
● Prior experience at Mesosphere, Red
Hat, and IBM.
● Specialties include SQL and NoSQL DB
corruptions and not being able to do
CIDR calculations.
@ravilach

3. What will we learn?
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● Don’t add things willy-nilly
● What a core services developer looks for
● Server Side JS equivalents

4. Java Enterprise Edition?
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5. J2EE: 1999 -> JEE: Now
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6. ECMA
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7. Transactions
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8. Multiple Systems
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9. Java Transaction API [JTA]
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10. What about JS Land?
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11. The Mighty DB
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12. The Mighty DB
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13. CAP Theorem
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14. Threads
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15. Java – Thread Pool
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16. NodeJS – Non blocking
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17. Promises
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18. Bluebird JS
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19. Work vs Work
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20. Multitenancy
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21. Debugging/Tracing
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22. Instrumentation
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23. CNCF Jaeger
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24. Fog of Development
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25. Dependency Hell?
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26. Dependency Hell - Cooled
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27. OK this is really Dependency Hell
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28. What is in your NPM Install?
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29. What is in your NPM Install?
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30. What is in your NPM Install?
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31. Good Resources
• OWASP Dependency Check
https://jeremylong.github.io/DependencyCheck/analyzers/
nodejs.html
• Bemis [Transaction Manager]
https://github.com/mtabini/node-bemis
• Uber Engineering Jaeger
https://eng.uber.com/distributed-tracing
• BlueBird JS
http://bluebirdjs.com/docs/getting-started.html
• App Dynamics [Commercial]
https://www.appdynamics.com/nodejs/
@ravilach

32. Aug 2018
Go and be Bold!
rlachhma@cicso.com
@ravilach