TLDR Tech / Dev
Faster, cheaper, messier: lessons from our switch to self-hosted GitHub Actions
The Guardian's iOS team was getting hammered by GitHub Actions costs, especially since macOS runners carry a 10x minute multiplier. They had an unused Mac Mini in the office, so they set it up as a self-hosted runner. Builds got 50-120% faster, monthly costs dropped £400, and they got control over their own macOS upgrades and debugging.
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