Writing
Notes on building
and running things.
Short, practical posts about backend systems, cloud costs, and the unglamorous parts of operations.
Cutting my cloud bill with three boring changes
No re-architecture, no Kubernetes migration — just lifecycle rules, right-sized instances, and deleting what nobody uses.
Read the post →Idempotency keys, explained with coffee
Why retrying a payment should never charge twice — and how to design the API so it can't.
Running Postgres on a free-tier VM: what I learned
Backups, connections, and the settings that matter when you're the only DBA.
Why I containerize everything, even static sites
Reproducible builds, painless rollbacks, and one mental model for every deploy.