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Technical depth on AI, Azure, Next.js, and the engineering decisions behind them.

15 posts

GitHub's $120k Copilot Rust port: budget your own rewrite

GitHub ported the Copilot agent runtime from TypeScript to 832,378 lines of production Rust in about 14.5 weeks for roughly $120,000 in tokens plus three weeks of one developer's time, with a 96.22% prompt-cache hit rate and up to 18x faster in-process session startup. We break down the token bill into reusable unit costs, show why caching kept it around a sixth of the uncached price, and list the preconditions and EU residency checks to settle before budgeting your own agent-driven rewrite.

September 18, 2026314 viewsDevOps & Infrastructure

Anthropic's CI hit 25x: your Azure Pipelines cost math

Anthropic reports CI jobs grew 25x in six months as agents took over 80% of code authoring, and the single-writer service behind its test selection failed in stages: 70 days of relief from a bigger machine, then 29, then less than one. Here is what that curve costs on Azure Pipelines versus GitHub Actions, and which architecture in your own pipeline breaks first.

September 16, 2026196 viewsDevOps & Infrastructure

Terraform to Bicep Migration on Azure: A Field Guide

Moving Azure infrastructure from Terraform to Bicep is less about converting HCL files and more about replacing a state-file workflow with a deployment-based one. This field guide covers when migration pays off, inventorying tfstate, incremental coexistence patterns, the decompile tooling that exists, deployment stacks as the lifecycle answer, and the what-if validation and rollback discipline that keeps the cutover safe.

August 31, 2026276 viewsDevOps & Infrastructure