5 Mistakes on microservices projects that will fail them even before start

Let's go with microservices for everything! Microservices will solve all our problems! Long life to the microservices!

Not like this. Like in every trend, there are a lot of misunderstandings that could lead your project to a big fail. Do you really want it?

This session will show you 5 common mistakes that your must to avoid at all cost. Maybe some of them you are doing right now and don't even know it. They can happen from the project kickoff to the production deployment. If you would be able to deploy it.

Join us to learn the best practices to deal with each of these 5 mistakes and do your microservices fearless.

Transcript

2. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 5 Mistakes on microservices projects that will fail them even before start Elder Moraes Cloud Evangelist Oracle April, 2018
3. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.
4. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. |
5. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. |
6. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. |
7. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 7 Microservices
8. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Mistake #1 Scaling software before scaling people 8
9. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | –  M. Conway (Conway’s Law) 9 “Organizations which design systems (…) are constrained to produce designs which are copies of the communication structure of these organizations”
10. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 10 “Two Pizzas Rule” Jeff Bezos, CEO at Amazon
11. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 11 https://martinfowler.com/articles/microservices.html
12. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 12 https://martinfowler.com/articles/microservices.html
13. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Mistake #2 Shared databases 13
14. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 14 https://martinfowler.com/articles/microservices.html
15. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 15 https://martinfowler.com/articles/microservices.html Database per Service Pattern
16. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 16 What about consistency?
17. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 17 ACID Atomicity Consistency Isolation Durability
18. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 18 ACID Atomicity Consistency Isolation Durability Microservices
19. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 19 PRODUCT SERVICE DATABASE CART SERVICE DATABASE Transaction
20. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 20 But, but… … I’d like to.
21. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 21 https://www.cs.cornell.edu/andru/cs711/2002fa/reading/sagas.pdf
22. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 22 T1 T2 T3 T4 C1 C2 C3 Compensating transactions
23. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 23
24. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Mistake #3 Lack of an automated pipeline 24
25. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Why should I automate? 25
26. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 26 Maturity Automation Continuous Integration Continuous Delivery Continuous Deployment
27. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Mistake #4 Services tightly coupled 27
28. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | 28 Tightly Coupled Loose Coupled
29. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | The more one service knows about other, the more coupled they are (in any aspect) 29
30. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Mistake #5 Services not based on containers 30
31. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. |
32. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Distribution Scaling Pipeline Test
33. Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | @elderjava book.eldermoraes.com