Payment business logic implemented in the Saga pattern using AWS Step Functions

Here is a look inside the payment business logic actually running in the production environment.

This is part of the e-commerce service that handles payment, inventory calculation, etc.

This is an implementation of the orchestration model in the Saga pattern, where one process manages the workload state and calls the appropriate services in turn, implemented with AWS Step Functions.

The Saga pattern is a model of orchestration in the Saga Pattern.

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Transcript

1. Payment business logic implemented in the Saga pattern using AWS Step Functions KAZUKI MIURA 2024/8/25 01:20 (JST) #jawspankration #jawspankration2024 #jawsug JAWS PANKRATION 2024 JAWS PANKRATION 2024 TT-42
2. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug AWS Community Hero AWS User Group Leader AWS Samurai 2019 JAWS-UG Sapporo Committee Media-JAWS Committee Kazuki Miura Japan Working at TV Station
3. INTRODUCTION OF OWN SERVICES INTRODUCTION OF OWN SERVICES
4. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug
5. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug
6. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug API Gateway AWS Cloud Amplify Hosting Amplify Backend AppSync DynamoDB Lambda Step Functions Momento Cache
7. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Purchase flow AWS Step Functions Amazon DynamoDB AWS Lambda
8. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Cart Purchase flow
9. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Cart Purchase flow inventory check Address input
10. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Cart Purchase flow inventory check Postage Calculation Address input Check
11. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Cart Purchase flow Complete inventory check Postage Calculation Payment Arrangements Address input Check
12. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Cart Purchase flow Complete inventory check Postage Calculation Payment Arrangements Address input Check ☝️ HERE!
13. WHAT IS SAGA PATTERN? WHAT IS SAGA PATTERN?
14. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern AWS > Documentation > AWS Prescriptive Guidnce > Cloud design patterns, architectures, and implementations https://docs.aws.amazon.com/prescriptive-guidance/latest/cloud-design-patterns/saga.html
15. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern Saga choreograpy Saga orchestration
16. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern Saga choreograpy
17. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern Saga choreograpy
18. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern Saga orchestration
19. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern Saga orchestration
20. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Saga Pattern Saga orchestration
21. STATE MACHINE DETAIL STATE MACHINE DETAIL
22. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug State Machine
23. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug State Machine Simplify Temporary stock hold CartTable Delete Create Purchase history
24. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Temporary stock hold CartTable Delete Create Purchase history
25. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Temporary stock hold CartTable Delete Create Purchase history Payment Error Return to temp stock Payment Success
26. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Temporary stock hold CartTable Delete Create Purchase history Payment Error Return to temp stock Payment Success Compensation Transactions
27. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Temporary stock hold CartTable Delete Create Purchase history Error Return to temp stock Payment Success Create a refund Error Update Success Update Success Error Revert CartTable
28. JAWS PANKRATION 2024 JAWS PANKRATION 2024 CartTable Delete Create a refund #jawspankration #jawspankration2024 #jawsug Temporary stock hold Create Purchase history Error Return to temp stock Payment Success Error Update Success Update Success Error Revert CartTable Commission fees. Credit card status cannot be reversed.
29. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Temporary stock hold CartTable Delete Create Purchase history Error Return to temp stock Payment Success Create a refund Error Update Success Update Success Error Revert CartTable
30. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Temporary stock hold CartTable Delete Create Purchase history Error Return to temp stock Payment Success Update Success Update Success Make it work no matter what.
31. JAWS PANKRATION 2024 JAWS PANKRATION 2024 CartTable Delete #jawspankration #jawspankration2024 #jawsug Temporary stock hold Create Purchase history Error Return to temp stock Payment Success Update Success Update Success SNS SNS
32. JAWS PANKRATION 2024 JAWS PANKRATION 2024 CartTable Delete #jawspankration #jawspankration2024 #jawsug Temporary stock hold Create Purchase history Error Return to temp stock Payment Success Update Success Update Success SNS SNS Compensation Transactions with human
33. SUMMARY SUMMARY
34. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration Business logic was implemented using AWS Step Functions, referring to the orchestration types of the saga pattern. Cases exist where reverting straight back in a compensation transaction is not acceptable to the business. The decision was made to include a compensation transaction that includes the human system's response. #jawspankration2024 #jawsug Summary
35. NEXT SESSION IS... NEXT SESSION IS...
36. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug Nagababu Medicharla Slash Costs & Boost Efficiency: Karpenter's Secret to Kubernetes Scaling TT-43
37. #jawspankration #jawspankration2024 #jawsug JAWS PANKRATION 2024 JAWS PANKRATION 2024 THANK YOU THANK YOU ありがとう ありがとう
38. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug
39. JAWS PANKRATION 2024 JAWS PANKRATION 2024 #jawspankration #jawspankration2024 #jawsug