Using Umbrella in Production - Lessons Learned

Some lessons learned from using an Elixir (Phoenix) Umbrella app in Production at MyChannels

Talk given at Elixir Vienna meetup.

Transcript

1. ☂ IN PRODUCTION Lessons Learned
2. A DEFINITIVE GUIDE Not
4. Vincent Oord Freelance Ruby/Elixir Developer vincent@veen.xyz | twitter.com/vindia
5. THE PROJECT
7. ARCHITECTURE
9. OUR ☂
10. CORE WEB API EMBED-API DFP CATALOG-SYNC-API
11. DEPLOYMENT
12. buildpack-elixir github.com/HashNuke/heroku-buildpack-elixir
13. buildpack-phoenix-static github.com/gjaldon/heroku-buildpack-phoenix-static
14. buildpack-multi-procfile github.com/heroku/heroku-buildpack-multi-procfile
15. build-only-one-app.sh
16. USING CONTEXTS
17. AccessibleContent Authentication Bookmarking Search Following Recommendations Embed Videowall WatchHistory
18. AccessibleContent Authentication Bookmarking Search Following Recommendations Embed Videowall WatchHistory
19. PERFORMANCE
20. PERFORMANCE for users
21. requests/second 450
22. requests/second 20
23. mean 90% 95%
24. Running on Performance-M dynos (2.5GB RAM)
25. PERFORMANCE for developers
26. $> mix xref graph
27. $> fswatch --event="Created" _build/dev/lib/your_app/ebin/
28. Imports of our own modules Unnecessary macros Protocol with structs Circular dependencies
29. Using alias instead of import Only import external dependencies + use only: Avoid defmacro, unless really necessary Use Module.concat([“Namespace.ModuleName”])