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SERVERLESS Andrzej Krzywda Arkency
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DEVTALK TRIO
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https://serverless.zone/serverless-is-just-a-name-we-could-have-called-it-jeff-1958dd4c63d7
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SERVERLESS AWS Lambda Azure Functions Google Cloud Functions
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1 FUNCTION/METHOD PER 1 MICROSERVICE
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SERVERLESS == REDUCING MAINTENANCE
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SERVERLESS FUNCTION AS A SERVICE Cloud Functional programming Domain-Driven Design
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CLOUD
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INFRA/CLOUD Dedicated servers Virtual machines Microservices / BC? Kubernetes Serverless (function per service)
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ARE MICROSERVICES COOL?
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FUNCTIONAL PROGRAMMING
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immutability functions input/output provable(?) academic (?)
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WHEN IS FP USEFUL?
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DOMAIN-DRIVEN DESIGN
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DOMAIN DRIVEN DESIGN Bounded contexts Inventory, Invoicing, Accounting, SocialMedia Aggregates, sagas, read models Event-driven Event store
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CQRS Writes (commands) CancelOrder Reads (queries) OrdersList
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FP+DDD aggregates as functions read models as functions process managers as functions
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IS SERVERLESS PRODUCTION-READY?
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https://www.youtube.com/watch?v=i2gEbw_jzfY
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NO NEED TO WORRY ABOUT scaling monitoring recovery versioning logging
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HOW TO TEST?
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TESTING VS MONITORING
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IS SERVERLESS THE FUTURE?
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SERVERLESS == REDUCING MAINTENANCE
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SCAFFOLDING Python JavaScript Java Scala
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THE NEW WAVE OF PROGRAMMERS REVOLUTION
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NEW WAVE OF PROGRAMMERS 2004 - rails 2015 - JS frontends 2020 - serverless?
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POLYGLOTS
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THANKS!