Serverless REST API Architecture
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Auth / API Layer
Async Processing
Security
Observability
ClientsMobile · Web · API
Amazon CognitoAuth + JWT tokens
API GatewayREST API · JWT auth
Lambda Functionsfn-users · fn-items
DynamoDBNoSQL · on-demand
Amazon SQSAsync order queue
Lambda Consumerfn-orders · SQS trigger
Secrets ManagerRuntime secrets
CloudWatchLogs + alarms
AWS X-RayDistributed traces