A detailed walkthrough of building a user authentication and session management service on Amazon Aurora DSQL, AWS's serverless PostgreSQL-compatible distributed SQL database. Covers the full architecture using Amazon ECS Express Mode with AWS Fargate, IAM-based database authentication (no stored passwords), data model design with UUIDs and token hashing, handling Aurora DSQL-specific constraints (no foreign keys, async index creation, 3,000-row transaction limit), Optimistic Concurrency Control retry logic, and production deployment best practices including least-privilege database roles and session cleanup jobs.
Table of contents
Architecture overviewHow Amazon Aurora DSQL simplifies authentication workloadsDesigning the data modelConnecting to Amazon Aurora DSQLFull authentication flowHandling concurrent writes without locksSecurity considerationsTry it yourselfCleaning upConclusionAbout the authors78 Impressions