おやじのLambda

Event Sourcing and CQRS with AWS Lambda, DynamoDB, SNS
Serverless
Microservices
Clean Architecture

Transcript

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6. ޱ࠲ "DDPVOU ࣝผ൪߸ ঢ়ଶ ཤྺ
7. ۜߦޱ࠲ ޱ࠲൪߸ ࢒ߴ ঢ়ଶ ཤྺ ೖۚɾग़ۚ ঎඼ࡏݿ ঎඼൪߸ ࡏݿ ཤྺ ೖݿɾग़ݿ 
   
8. ঎඼ࡏݿ ঎඼൪߸ ࡏݿ ཤྺ ೖݿɾग़ݿ ( ) ) ) C ) C D ) C BE Q S )C )
9. https://www.slideshare.net/AmazonWebServices/messaging-in-the-aws-cloud https://www.slideshare.net/AntonUdovychenko/going-serverless-with-cqrs-on-aws
15. Stock Entity State { 'available’: 17,'reserved’: 3, 'bought’: 2 } Stock Methods Calculate(orders, initial_stock) ɾɾɾ Attributes id name state [Orders] Events
16. 
     $PNNBOE &WFOU &WFOU
    4UPSF 4UBUF %ZOBNP%#
    4USFBNT 'PMEJOH /INSERT Amazon API Gateway Amazon API Gateway 'PMEJOH %FGFSFODF 2VFSZ INSERTͷΈ Query INSERT/REMOVE AT LEAST ONCE Snapshot #BDLVQ /REMOVE Other Service Message .FTTBHF
    #VT &WFOU
    4UPSF
17. 
     $PNNBOE &WFOU &WFOU
    4UPSF 4UBUF 'PMEJOH /INSERT Amazon API Gateway Amazon API Gateway 'PMEJOH %FGFSFODF 2VFSZ INSERTͷΈ Query INSERT/REMOVE AT LEAST ONCE Snapshot ঎඼ࡏݿ ঎඼൪߸ ࡏݿ ཤྺ ೖݿɾग़ݿ
18. Folding (reduce) Snapshots { 'available’: 17, 'reserved’: 0, 'bought’: 3 } 5 111 4 { 'available’: 15, 'reserved’: 2, 'bought’: 3 } 111 3 { 'available’: 15, 'reserved’: 5, 'bought’: 0 } 111 { 'available’: 17, 'reserved’: 3, 'bought’: 0 } 2 111 1 version state item id 111 { 'available’: 20, 'reserved’: 0, 'bought’: 0 }
19. $PNNBOE &WFOU &WFOU
    4UPSF 4UBUF %ZOBNP%#
    4USFBNT 'PMEJOH /INSERT Amazon API Gateway Amazon API Gateway 'PMEJOH %FGFSFODF 2VFSZ INSERTͷΈ Query INSERT/REMOVE AT LEAST ONCE Snapshot #BDLVQ /REMOVE Other Service Message .FTTBHF
    #VT &WFOU
    4UPSF Overview (3 ) E ) g S Fd M )3 D M D e U E a ) ) M ) D B )
20. Clean Architecture & B
21. Controller dict Entity Repository DataStore ResponseObject UseCase RequestObject request_object request_object response_object response_object dict dict entity entity entity entity entity dict entity Amazon DynamoDB
22. device_contrller lambda_handler DeviceRegisterUseCase OipMfpDevice DeviceRepository DeviceDataStore DynamoDB () ) ) Stock Methods Calculate(orders, initial_stock) ɾɾɾ Attributes id name state [Orders]