by Scheduler Systems

Blog

Technical guides on GitHub Actions costs, self-hosted runner infrastructure, hybrid routing, and AI agent sandboxes.

April 7, 2026

GitHub Actions Costs: What You're Actually Paying in 2026

A breakdown of GitHub Actions runner pricing after the January 2026 rate cuts, with real numbers at different team sizes and the three approaches teams use to cut the bill.

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April 7, 2026

Setting Up GitHub Actions Runner Controller (ARC) on Kubernetes

A practical guide to deploying scale-set-based ARC v0.14.0 on Kubernetes -- covering installation, runner lanes, cold start behavior, and common pitfalls.

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April 7, 2026

Self-Hosting AI Agent Sandboxes: Alternatives to E2B's Cloud-Only Approach

E2B charges $0.000014/vCPU-second per sandbox and your code runs on their infrastructure. This post compares every major sandboxing option and explains what self-hosting with Kata microVMs looks like.

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April 7, 2026

How GitHub Actions Hybrid Runner Routing Works Under the Hood

A technical walkthrough of how a webhook-first routing layer intercepts GitHub Actions jobs, evaluates fleet capacity, and provisions JIT runners -- without touching a single workflow file.

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April 7, 2026

The Economics of Self-Hosting CI/CD in 2026

GitHub cut hosted runner prices 25% in January 2026 and proposed a self-hosted fee that's still pending. A framework to evaluate the build vs. buy decision with current numbers.

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