Taming the Monolith - Microservices Meetup Hamburg

Taming the Monolith - Are Microservices just an Implementation Detail?

The slides of my presentation at the Microservices Meetup Hamburg on July 13th, 2015, hosted by Adobe Systems Engineering GmbH.

Event details: http://www.meetup.com/de/Microservices-Meetup-Hamburg/events/220839035/

Transcript

1. TAMING THE MONOLITH Are microservices just an implementation detail? Microservice Meetup Hamburg | July 13th, 2015 | Dennis Traub | @DTraub
2. EVERYBODY TALKS ABOUT MICROSERVICES 2
3. http://technabob.com/blog/wp-content/uploads/2014/12/back-to-the-future-delorean-dmc-12-time-machine-conversion-by-bobs-prop-shop-7-620x465.jpg Back in the Day …
5. https://i2.wp.com/www.aydinstone.com/vic20.jpg
6. http://www.weihenstephan.org/~michaste/pagetable/64er/64er_1984-04.jpg | http://www.c64-wiki.de/images/thumb/4/43/listing_shape.jpg/300px-listing_shape.jpg
7. http://www.teslamotors.com/sites/default/files/images/model-s/gallery/interior/hero-01-LHD.jpg Fast-Forward 30 Years
8. - A sphere of knowledge, influence, or activity - - What an organisation does, and the world it does it in - DOMAIN
9. - A system of abstractions describing selected aspects of a Domain - - Used to solve problems related to that Domain - MODEL
10. Sit down with the experts and listen
11. http://wikimediafoundation.org/wiki/File:Commodore-VIC-20-FL.jpg
12. http://wikimediafoundation.org/wiki/File:Commodore-VIC-20-FL.jpg http://backgrounds.1nova.com/wp-content/uploads/sites/27/2015/02/One-Ring-to-Rule-them-All.jpg One Model to Rule Them All
13. - A language structured around the Domain Model - - Used by all team members and throughout the code - UBIQUITOUS LANGUAGE
14. There is no such thing as a Ubiquituous Language … at least not company-wide …
15. Customer
16. Customer Marketing Target Group
17. Customer Marketing Target Group Website Visitor
18. Customer Marketing Target Group Website Visitor Shopping Cart Buyer
19. Customer Recipient Shipping Marketing Target Group Website Visitor Shopping Cart Buyer
20. Customer Recipient Shipping Marketing Target Group Hotline Caller Website Visitor Shopping Cart Buyer
21. Customer Recipient Shipping Marketing Target Group Hotline Caller Website Visitor Shopping Cart Buyer Purchasing Customer
22. Customer Recipient Shipping Marketing Target Group Hotline Caller Website Visitor Shopping Cart Buyer Purchasing Customer
23. Customer Recipient Shipping Marketing Target Group Hotline Caller Website Visitor Shopping Cart Buyer Purchasing Customer
24. - An explicit boundary within which a Domain Model exists - - Inside, all terms have a specific meaning - - They are part of the Ubiquitous Language - BOUNDED CONTEXT
25. KEY ATTRIBUTES OF A BOUNDED CONTEXT High Cohesion Loose Coupling Represents Business Capability Context-specific Model
26. KEY ATTRIBUTES OF A MICROSERVICE High Cohesion Loose Coupling Represents Business Capability Context-specific Model
28. Business Logic Data Access Presentation our “Architecture”
29. Business Logic Data Access Presentation our “Architecture”
30. Business Logic Data Access Presentation our “Architecture”
31. Business Logic Data Access Presentation our “Architecture”
32. Enterprise Service Bus
33. Orchestration 
 vs. Choreography
34. http://latimesblogs.latimes.com/.a/6a00d8341c630a53ef01538f58370b970b-pi Orchestration
35. Choreography http://sunny.moorparkcollege.edu/~dance/Stepping-Stones-2004-309.jpg
36. Key Takeaways:
37. Don’t model reality. Model useful abstractions.
38. Don’t build a model. that works for everyone.
39. Don’t design a one-size-fits-all architecture.
40. So, what are Microservices all about?
41. THANK YOU! Dennis Traub | @DTraub | ThoughtWorks.com