Building a minimal TCP proxy in Go
Exploring low-level networking by writing a simple transparent proxy from scratch using the net package.
Personal notes on backend, infrastructure, and system design.
Exploring low-level networking by writing a simple transparent proxy from scratch using the net package.
A practical checklist: SSH keys, UFW, Fail2ban, unattended-upgrades, and a few less obvious things.
How to cut image size from 900MB to under 20MB using multi-stage builds and scratch base images.
Partial indexes, covering indexes, and how to read EXPLAIN ANALYZE output without going insane.