Mateus Prado discusses microservices and their advantages over monolithic architectures. Some key points of microservices include: - They are small, independently deployable services that focus on doing one thing well. This makes them easier to develop, test, and maintain. - Their independence allows for different services to be written in different programming languages and use different data stores. This promotes flexibility and experimentation. - Their modularity enables individual services to scale independently based on demand. It also allows failed services to be replaced without disrupting the entire system. - Automating deployment through continuous delivery is important to take advantage of microservices' properties and enable rapid, resilient deployment of changes.

1. Microservices
Mateus Prado
Systems Engineer
Walmart.com LATAM

2. $ whoami
Hi, i’m Mateus,
Software and infrastructure architect.
I like Java, Ruby, C, Python, Cloud and Unix.

3. Frontend
components
Business
Data layer
Messaging
Common application architecture
L
B

4. Easy to deploy

5. New devs

6. Continuous Delivery

7. Try new technologies

8. Scalability

9. Monolithic

10. Microservices

11. The Unix Philosophy

12. The Unix Philosophy

13. Characteristics of
Microservices

14. Small, single responsibility
Fit in your head
“If a class is bigger than my head then it is too
big”
You can throw them away - rewrite, maintain
Easy to test.

15. Resilience
Yes, they will fail, inevitably happen when least desired.
Failures test in production?
Yes.
If you do not find, your customer will.
Deploy automation, continuous delivery…

16. Scale
…what you need to scale.
Run on multiple regions.

17. Many technologies
Use Ruby for GET /users/login
Use Java for POST /checkout
Use C for GET /metrics/time-first-byte
Use .Net for GET /about-us :)
Try languages, db, queue

18. –Johnny Appleseed
“Type a quote here.”
MICROSERVER
MICROSERVICES

19. MicroservERS

21. Forever

22. sysadmin troop

23. ...

24. Do not fear

25. Jenkins
Chef
Capistrano
Puppet
Rundeck
own scripts
Automate all the things

26. Too many log files

27. Log aggregation

28. Application
NFS to /var/www
VM0 VM2 VM3
Storage volumes
NFS to /var/lib/
rabbitmq/mnesia

29. S3
Distributed storages

30. Ah, so, look well…
Monitoring

31. Email
SMS
Twitter, Facebook
Smoke
own remediation scripts.
efficient
Notifications and auto-remediation

32. Cloud

33. Homemade

34. "They need to play." - lorieri

35. Q&A