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Cloud & Ops

Serverless, cost, observability — shipping without breaking

01 ·Cloud & Ops·FREE·10 min read Serverless and Cost Design — Cloud That Won't Bankrupt You "Pay for what you use" also means "pay for what someone else uses of you." Starting from zero, this piece builds up scale-to-zero, the GB-second billing unit, and the accident patterns that make a bill grow exponentially — ending with a kill switch you can actually design into your own project. 02 ·Cloud & Ops·★ MEMBER·10 min read Observability — Logs, Metrics, and Traces in Practice When the phone rings at 3 a.m., can you answer without logging into production and looking around? Starting from zero, this piece builds up structured logging, metric cardinality, trace context propagation, and SLOs with error budgets — then lines them all up as a single motion: notice, narrow, confirm. 03 ·Cloud & Ops·★ MEMBER·10 min read The Economics of GPU Cloud — Rent, Buy, or Commit The same GPU carries four prices at once. Put on-demand, committed, spot, and owned hardware on a single equation: the break-even utilization, the true cost of spot once interruptions are priced in, the commitment burn rate, and the line items that never appear on the rate card.