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Architecture
What Happens When a Container Dies Mid-Auction: Resilience Engineering in Practice
Building a reliable system means planning for failure, not just success. Here's how we engineered Multi-AZ failover, sub-30-second crash recovery, and observability that turned hour-long incidents into 10-minute fixes.
May 20, 2026 · 13 min read→
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Performance
Connecting a Fleet: How Redis Pub/Sub Makes Socket.IO Scale Across Containers
The core challenge of scaling Socket.IO is that each server instance is an isolated island. Here's how we used @socket.io/redis-adapter and the Socket.IO v4 upgrade to bridge those islands into one unified real-time system.
May 13, 2026 · 8 min read→
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Architecture
Redesigning for Scale: The Architecture That Replaced a Single Point of Failure
After the production outage, we had a clear mandate: no more single points of failure. Here's the new distributed architecture we designed, from ALB through ECS Fargate to Redis, and why we made each choice.
May 6, 2026 · 8 min read→