Microservices Vienna 2015
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This document discusses microservices and agile web development. It advocates for developing applications as independent, self-contained microservices that are loosely coupled and communicate asynchronously. This allows for independent development, deployment, and scaling of each microservice. The document provides guidance on designing microservice architectures, developing and delivering microservices, and operating microservices at scale.
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Outline: presentation summary
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Microservices
Monolithic application to micro service journey
Problem with Monolithic application
Advantages of micro service
Frameworks used for micro service development
Techniques needs to use overcome cascading effect
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Microservices in Azure
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Microservices in Azure
This is the slide deck for the DFW Azure User Group meetup of 18 July 2017, presented by Doug Vanderweide and discussing Azure's services that support a microservices architecture.
Stay productive_while_slicing_up_the_monolith
The document discusses strategies for transitioning from monolithic architectures to microservice architectures. It outlines some of the challenges with maintaining large monolithic applications and reasons for modernizing, such as handling more data and needing faster changes. It then covers microservice design principles and best practices, including service decomposition, distributed systems strategies, and reactive design. Finally it introduces Lagom as a framework for building reactive microservices on the JVM and outlines its key components and development environment.
Framework WSo2 orientato ai servizi
Presentazione dei prodotti WSo2.
WSO2 offre una gamma completa e integrata di prodotti per gestire applicazioni WEB, Mobile, API, Social, PaaS in tutta l’azienda.
Profesia, partner tecnologico di wso2, può supportarvi nel progetto di integrazione.
Contattaci per un preventivo
Tel 01119879273 Mail: contact@profesia.it
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Microservices Vienna 2015
- 2. MONOLITH • dependencies • locks • hard to deploy • side effects
- 3. AGILE • independent • productive • sustained • scale • continuously
- 4. PERSPECTIVES • agile architecture • development • delivery & operation • in practice
- 5. LOOSE COUPLING • self contained systems • location transparency • async communication
- 9. MICROSERVICE The Unix Way Each APP only does one thing Small enough to fit your head Small enough to throw away
- 10. SELF-CONTAINED • lightweight communication • independent development • independent deployment (container, package manager) • strict contracts & versions • one process • UI & (temporary) store included
- 11. 12-FACTOR APP • log to stdout • bundle config via ENV-Var • explicit port bindings • scale via processes • share nothing • prefer stateless / temporary states • start fast / graceful shutdown • decouple admin process
- 12. SYSTEM OF SYSTEMS • distributed • integration • dependencies • state & consistency guarantees • fast releases • parallel development • scale vertical & horizontal • resilient
- 14. FEATURE TEAMS
- 15. CROSS CUTTING • OAuth(2) • Tracking • Testing • Configuration
- 16. CHOOSE
- 17. NOT A FREE LUNCH • what? learn & improve • discuss & agreement • explicit failure strategies • documentation
- 18. PRACTICE • functional prototype • ui, services & integration • delivery & operations infrastructure • resilient & scale • monitoring & SLAs
- 20. INTEGRATION
- 21. HANDS ON
- 22. DECOUPLE COMMUNICATION • async • timeouts & retry • circuit breaker • fallback
- 23. INTEGRATION • Links, Frames, Redirects • AJAX • SDK
- 24. INTEGRATION • Data Replication • WebHooks • Request/Response • Dedicated App-DB • Message Broker
- 25. MANAGE STATE • trade off - explicit state • relaxed consistency • avoid persistent data • prefer in-memory + expiry • prefer replication
- 26. RESILIENT & SCALE • failure compensation (retry, fallback, cache, etc.) • data correlation • CQRS / ES / LOGS • client side load balance • algorithm for traffic distribution (e.g. shards) • scoring per read and write operations
- 27. SERVICE TEMPLATE • rapid application development • experimental & feasibility development • batteries includes (UI, Storage, Streams, Tasks, etc.) • simple to extend • simple to deploy
- 28. DELIVERY & OPERATIONS SOURCEGIT PUBLISH DELIVER MONITOR DISCOVER
- 29. DELIVERY cURL
- 31. HEALTH CHECK
- 32. LOG COLLECTOR
- 34. AUTO REGISTER • Services • Health-Checks • Log-Collection
- 35. SLA • 99,9% availability • 90% < 500ms click performance • 80% < 1s data processing performance • 60% integration test errors