Featured Posts
Check out my latest articles and tutorials.
Infra
Rebuilding Our GitLab Runner: BuildKit, Local Caching, and NVMe
A record of speeding up our GitLab CI by moving from Kaniko to BuildKit and reworking caching and disk layout.
September 17, 2026
Backend
Understanding Vector Databases: How They Work and Search
How vector databases store data as vectors and perform similarity search
June 9, 2026
Backend
RAG Experience: Building Long-Term Memory for Characters
A practical write-up on using RAG to help characters remember previous conversations.
June 5, 2026
Infra
AWS Systems Manager (SSM) Guide
A practical guide to accessing EC2 securely without SSH using AWS SSM
May 21, 2026
Infra
Solving CORS Errors in CloudFront + S3 with Signed Cookies
I will discuss the CORS troubleshooting process encountered when adopting CloudFront Signed Cookies.
January 13, 2026
Backend
Handling 2,000 TPS: Payment System (Part 3)
Optimizing Consumer Processing: Connection Pooling & Sharding for Faster Checkout
October 3, 2025