Engineering / Field note
When the same automation runs twice
Retries are normal. Duplicate orders and charges need not be. Give each business operation an identity that survives interrupted requests.
Nov 4, 2026 · 4 minRead article
Zyel / Updates
Security news, without the siren soundtrack.
What happened, who it affects, and which questions are worth asking. Clear explanations for the people building, running and paying for software.
3 articles
Engineering / Field note
Before a PHP upgrade, follow the work that pays the bills
A healthy homepage says little about invoices, overnight exports or order processing. Plan the runtime change around the business work that must survive.
Nov 4, 2026 · 4 minRead article
Engineering / Field note
A backup is a promise. A working restore is the receipt.
A successful backup job is reassuring. Recovering a usable application tells you whether the reassurance was deserved.
Nov 4, 2026 · 3 minRead article