GovWallet accelerates innovation through serverless services
summary
GovWallet implements instant government-to-bank disbursements and ATM withdrawals using AWS Lambda, Amazon EventBridge, API Gateway, DynamoDB, SQS and CloudWatch, provisioned with Terraform and Serverless Framework. A proof of concept becomes production in 4 months, 3 developers, scaling from 125 weekly to 3.8 million Lambda invocations with DynamoDB scaling from ~9 writes/min to ~21,000 writes/min; about 10% of writes hit throttling but all succeed after retries, and the system supports campaign isolation via environment-specific stacks.
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chapters (11)
- 0:00Introduction and agenda
- 0:43What is Serverless
- 3:31Serverless benefits and features
- 6:27How Serverless accelerates innovation
- 10:20GovWallet project overview
- 13:36Why GovTech chose Serverless
- 17:17Infrastructure as Code in GovWallet
- 20:08AWS Lambda in GovWallet
- 24:06DynamoDB in GovWallet
- 27:19Serverless scaling challenges
- 30:31Closing and resources
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