When runs-on Won't Fail Over: A Hybrid CI Runner Strategy
GitHub Actions' runs-on is a label match, not a scheduler — so a busy self-hosted runner just makes your job queue. Here's the runtime routing pattern we use to prefer a free warm box, fall back to a fast cloud runner, and never strand a build.
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Architecture Tests as a Seatbelt Against Agentic Drift
When a tireless AI agent makes a hundred plausible-looking changes, what stops the architecture from quietly eroding? We wired ArchUnit into the CrushLog backend as an executable seatbelt — and the rules found bugs a human audit missed.
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Dagger: Promising CI-as-Code (For Backends, Not Mobile)
I saw Dagger at Devoxx Athens — programmable CI/CD pipelines in your language of choice, running identically on your laptop and in CI. Here's why it's exciting for backend integration tests, and where it doesn't fit yet.
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DGS at Scale: Testing, Schema Evolution, and Federation
Part 5 of the Production GraphQL series — unit testing DGS components with Spock, evolving your GraphQL schema without breaking clients, and federating multiple services into a unified graph.
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Testing Axon 5 Aggregates with Spock: A Practical Guide
How to test Axon 5 aggregate state machines using Spock and AxonTestFixture — from creation commands to guard clause rejections, with practical patterns for event chaining, timestamp handling, and injected services.
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