Making the Argument for Monorepos

Are you trying to convince your colleagues to use a monorepo in your ecosystem? Are you already using a monorepo and need to justify that decision? If the answer to either of these questions is "yes", then join our webinar, where we will talk about the 7 essential reasons for using monorepos and bust a few myths and misconceptions along the way.

Transcript

1. Miroslav Jonaš / April 17th 2024 / nx.dev Nx Webinar Making the argument for monorepos
3. Explorer Pioneer Defender Target group
4. 7 Reasons
5. 5 Features
6. 3 Common mistakes
7. Senior Developer Productivity Engineer Miroslav Jonaš @meeroslav
8. Mono what?
9. App™ Monorepo & Monolith
10. Service Other service Other app Models UI elements Polyrepo App™
11. Polyrepo •Language & dependency constraints •Team autonomy •Increased velocity •Easier reasoning •Better architecture
12. Service Other service Other app Models UI elements Monorepo App™
13. Monorepo •Language & dependency constraints •Team autonomy •Increased velocity •Easier reasoning •Better architecture
14. 7 Reasons
15. Service Other service Other app Models UI elements App™ 1. Atomic changes
16. App™ 2. Code sharing Other app Shared lib
17. Service Other service Other app Models UI elements App™ 3. Single set of dependencies Node v20 React v18.2 TS v5.
18. 4. Consistent tooling Service Other service Other app Models UI elements App™ dotnet run npm remix-serve npm develop mvn exec:java tsc webpack serve other-service serve app serve other-app serve service build models build ui-elements
19. 4. Consistent tooling Service Other service Other app Models UI elements App™ webpack dotnet run tsc npm develop mvn exec:java npm remix- serve other-service serve app serve other-app serve service build models build ui-elements
20. 4. Consistent tooling •serve {project name} •build {project name} •test {project name} •deploy {project name} •{task name} {project name} •{task name} {project name}:{configuration}
21. 5. No unnecessary steps Service Other service Other app Models UI elements App™
22. Service Other service Other app Models UI elements App™ 6. Enforced code constraints
23. 6. Enforced code constraints •technology driven •scope/team driven •DDD driven •regulation driven
24. Service Other service Other app Models UI elements App™ 7. Cross-team collaboration
25. 5 Features
26. 1. Orchestration Test Build Lint Build Lint Test Build Lint Test
27. 2. Visual representation
28. 2. Visual representation
29. 3. Local & remote caching test model deploy api build app
30. 4. Task distribution
31. 4. Task distribution
32. 4. Task distribution
33. 5. Automated updates & scaffolding •from week to minutes •from detailed investigation to simple command •automated scaffolding minimizes mistakes •custom tailored scaffolding ensures structure
34. 3 Common mistakes
35. Service Other service Other app Models UI elements App™ 1 Monorepo to rule them all Embed app Marketing blog Native SDK
36. 2. No rules, no structure, no automation •boundaries to prevent chaos •structure to give guidance •automation to make mistakes impossible
37. 3. Ignoring speed Bad monorepos get converted back to polyrepos. Good monorepos are fast.
38. Whew...
39. Image by jcomp on Freepik
40. Image by slgckgc on Flickr
41. Image by freepic.diller on Freepik
42. Image by freepic.diller on Freepik AI Generated Images on Freepik
43. Vienna Philharmonic Orchestra on WikiMedia
44. Miroslav Jonaš nx.dev monorepo.tools @meeroslav Thank you!