Monolith to Microservices

Presented at Integral's Cloud Native Engineering Meetup in Detroit, MI

http://integral.io

Transcript

1. Monolith to Microservices
2. What’s a Monolith?
3. Integral.
4. Integral. What’s a Monolith?
5. Integral. What’s a Monolith? • Single deployment • Single codebase • Horizontal scaling
6. Integral.
7. Integral.
8. Integral.
9. Integral. Monolith Frustrations • Change cycles are tied together • Maintaining modular architecture is hard • Scaling is only horizontal • Locked in to platform
10. Integral. Componentization via Services • Component - single unit of software • Library - components linked in memory • Service - components which communicate from out of process
11. Integral.
12. Integral. HTTP Request HTTP Response
13. Integral. HTTP Request HTTP Response
14. Integral.
15. Migration Strategies
16. Integral. The Law of Holes
17. Integral.
18. Integral.
19. The Strangler Pattern
20. Integral.
21. Integral.
22. Integral.
23. Layer Splitting
24. Integral.
25. Integral.
26. Integral.
27. Integral.
28. Refactoring a Monolith
29. Integral.
30. Integral.
31. Integral.
32. Integral.
33. Caveat Developer
34. Integral. High-Value Targets for Services • CI/CD Pipeline • Automated testing Discover Eventually • Orchestration • Analytics • Logging
35. Integral.
36. Try it out
37. Integral.
38. Integral.
39. Integral.
40. Integral.
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42. Integral.
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46. Integral.
47. Integral. Resources 1. Martin Fowler on Breaking up Monoliths
 https://martinfowler.com/articles/break-monolith-into-microservices.html 2. Nginx blog on refactoring to microservices
 https://www.nginx.com/blog/refactoring-a-monolith-into-microservices/ 3. The Twelve-Factor App methodology
 https://12factor.net/ 4. Modular Monoliths - Simon Brown
 https://youtu.be/5OjqD-ow8GE 5. A Microservices Journey - Susanne Kaiser
 https://youtu.be/_bDDtS3aEes 6. Pragmatic Event-Driven Microservices • Allard Buijze
 https://youtu.be/vSd_0zGxsIU
48. Integral. Making Mobility a Right