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Remmelt [email protected]@remmelt_InfoWifiExt / 2015DeNieuweWereld
simplifying complexitywith microservices
conclusion
microservicesare awesome
since2003
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not maintainable
not agile
no fun
I like fun
enter
microservices
Loosely coupled service oriented architecture
with bounded contexts— Adrian Cockcroft
Loosely coupled
Services do not need to be updated at the same time
Loosely coupled
Services do not need to be updated at the same time
Bounded contexts
If you have to know too much about surrounding services than you don't have a bounded context1
1 See Eric Evans, Domain Driven Design
µ?
what did we do right?
— define contracts and stick to them
what did we do right?
— define contracts and stick to them
— documentation of API
what did we do right?
— define contracts and stick to them
— documentation of API
— no polyglot from the start
what could we have done better?
— start small
what could we have done better?
— start small
— onboarding ops
Organizations which design systems ... are constrained to
produce designs which are copies of the communication structures
of these organizations— Melvin Conway (1968)
what could we have done better?
— start small
— onboarding ops
— underestimated necessary culture change
what could we have done better?
— start small
— onboarding ops
— underestimated necessary culture change
— architectural challenges
why do it anyway?
makes sense
makes sense
— unix philosophy
makes sense
— unix philosophy
— swap services
makes sense
— unix philosophy
— swap services
— scale specific functionality
cool factor
RTFM
ITFM(f?)
Invent The Flippin' Manual2
2 https://www.youtube.com/watch?v=FArZxLj6DLk
Martin Fowler
innovation leads toproductivity and happiness
Services with the guts on the outside
— Gartner
continued growth
conclusion
microservicesare awesome
Final words3
3 https://www.youtube.com/watch?v=Wk4Gu94R9ms&t=50s
Links4
4 Essential reading/viewing:http://martinfowler.com/articles/microservices.htmlhttp://www.slideshare.net/adriancockcroft/goto-berlinhttp://blogs.gartner.com/gary-olliffe/2015/01/30/microservices-guts-on-the-outside/http://www.slideshare.net/lemiorhan/a-gentle-introduction-to-micro-services-from-theory-into-practicehttp://thenewstack.io/microservices-four-essential-checklists-getting-started/https://www.youtube.com/watch?v=Qr0sATj9IVc
