Implementing Zero-Downtime Session Key Rotation
Disclaimer: This blog post is automatically generated from project documentation and technical proposals using AI assistance. The content represents our development journey and architectural decisions. Code examples are simplified illustrations and may not reflect the exact production implementation. Table of Contents The Session Security Challenge Multi-Key Strategy Implementation with Fastify Rotation Workflow Makefile Automation The Session Security Challenge When Caroline and I implemented secure sessions for the UI service, we knew session keys needed rotation for security. But we had a problem: how do you rotate keys without invalidating every user’s session? ...