Principles of Microservices

1. Microservices
Principles
Alison Rodrigues de Souza

2. What are
Microservice Architectural style is an approach to developing a single
application as a suite of small services, each running in its own process
and communicating with lightweight mechanisms, often an HTTP resource
API
https://martinfowler.com/articles/microservices.html
microservices?

4. Principles Of Microservices
● There has been lots of buzz around Microservices
over the last years
● There are a lack of clarity as to what Microservices
are, or how to implement them well
● Principles can help to ensure that we don't just end
up repeating the mistakes we made with a service
oriented architecture

5. Modelled
Around Business
Domain

6. Domain Driven Design
● Focus on the core domain and domain
logic.
● Base complex designs on models of the
domain.
● Collaborate with domain experts to
improve the application model and
resolve any emerging domain-related
issues.

7. Culture of
Automation

8. Testing :)
● Unit Test
● Integration Test
● End to End Test
● Contract Test
● Chaos Test

12. Culture of Automation
● Bla Bla

13. Culture of Automation
● Bla Bla

14. Infrastructure
● Infrastructure as Code
● Docker

15. Hide
Implementation
Details

18. Decentralise all
the things

19. Service Discovery and container
orchestration
● Are you alive?
● Who should answer?

21. Deploy
Independently

22. Canary Release

23. Isolate Failure

25. Highly
Obervable

26. Netflix Turbine

27. Case

28. Case

29. DEMO

30. THANKS
!
Any questions?