Field notes
First-person breakdowns of processes, trade-offs, and mistakes — from crypto protocols to deploys on self-managed iron. No marketing, no conference selfies.
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Why I run my production on my own hardware
Self-hosting, for me, is neither a hobby nor nostalgia. It's a rational choice that saves money, buys control, and teaches DevOps faster than any course. Why — and how I set it up.
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A year at DomikSmart: what rewired my view of SaaS
From March 2025 to March 2026 I ran a CRM for short-term rentals — 50 properties, calendars, messengers, a public site. What I'm taking from that year into GChat and every product after it.
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How I started writing an E2E messenger, solo
March 2026. One person, an empty repo, X3DH and Double Ratchet on paper — and six months to ship it to production. Why I signed up for this and what I learned in the first two weeks.