Wer braucht eigentlich Microservices - Aktuelle Trends der Softwareentwicklung in der Praxis

Microservices?

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Wer braucht eigentlichAktuelle Trends der Softwareentwicklung in der Praxis

…und dann erzählte er mir,

dass er einen Monolithen entwickelt.Copyright 1997 New Line Cinema

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Stefan Macke

http://soa.rocks

anwendungsentwicklerpodcast.de

@StefanMacke

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Microservices

REST

Single Page AppsNoSQL

Redis Elixir

MongoDB

Node.js

Neo4j Groovy

REST

Microservices SPAs

MicroservicesHans - CC0 Public Domain - https://pixabay.com/de/ameisen-waldameisen-hand-gefahr-4239/

„Ade Oshineye - Martin tells it like it is, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=2938441

Quelle: http://www.martinfowler.com/articles/microservices.html

• Architekturstil• mehrere kleine Prozesse• leichtgewichtige Kommunikation• individuell deploybar• unterschiedliche Sprachen• unterschiedliche Persistenz

Martin Fowler

SOAdone right!

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„Arnon Rotem-Gal-Oz - https://twitter.com/arnonrgo

Quelle: http://arnon.me/2014/03/services-microservices-nanoservices/

A nanoservice is a service whose overhead (communications, maintenance, and so on) outweighs its utility.

Arnon Rotem-Gal-Oz

REST

RESTPipsimv - CC0 Public Domain - https://pixabay.com/de/faultier-tier-faul-schlafen-359217/

Geek & Poke - http://geek-and-poke.com/geekandpoke/2013/6/14/insulting-made-easy

„Roy Fielding - https://twitter.com/fielding

Quelle: https://www.ics.uci.edu/~fielding/pubs/ dissertation/rest_arch_style.htm

Representational State Transfer• ressourcenorientiert• zustandslos• einheitliche Schnittstelle

Roy Fielding

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POST /users?

POST /sessions?GET /login?PUT /user/1/login?

User Login

Wert ist zu lang?

Parameter fehlt?Falsches Format?Wert ist null?

400 Bad Request

Geek & Poke - http://geek-and-poke.com/geekandpoke/2016/10/18/simply-explained

http://my-api/v4

http://my-api/v1http://my-api/v2http://my-api/v3

http://knowyourmeme.com/memes/facepalm

{"Herausgeber":"Xema","Nummer":"1234-5678-9012-3456","Deckung":2e+6,"Wae hrung":"EURO","Inhaber":{"Name":"Mustermann","Vorname":"Max","maennlich":true,"Hobbys":["Reiten","Golfen","Lesen"],"Alter":42,"Kinder":[],"Partner":null}}

SPAs

SPAsatuweb - CC0 Public Domain - https://pixabay.com/de/roter-panda-zoo-hübsch-970798/

<body> <div ng-app="my-app" /> <script src="myapp.js" /></body>

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„O’Reilly - https://www.oreilly.com/people/35c9606b-5b03-45c2-b4a8-aa3df4910c95

Quelle: https://www.oreilly.com/ideas/are-microservices-for-you- you-might-be-asking-the-wrong-question

Should I use microservices? Why do you want to change? What isn’t working for you?

Sam Newman

Geek & Poke - http://geek-and-poke.com/geekandpoke/2014/11/8/frameworks

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Microservices?Wer braucht eigentlich

http://soa.rocks

anwendungsentwicklerpodcast.de

@StefanMacke