Why AWS Cognito Costs $2,000/Month (And How to Do It for $65)
A deep-dive into the real cost of running AWS Cognito at scale — including the stealth Essentials tier price hike, M2M token trap, SMS MFA surcharges, and Lambda trigger overhead — and a complete self-hosted Keycloak alternative on Hetzner with PostgreSQL HA that cuts your auth bill by 97%.