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docs(worker): list every custom domain in wrangler.toml - #25

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docs(worker): list every custom domain in wrangler.toml#25
lamminpaa wants to merge 1 commit into
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docs/worker-custom-domains

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A production deploy from a config that declared only api.flarelytics.dev detached the analytics.flarelytics.dev custom domain (and its DNS record) for about four minutes on 2026-09-06, because wrangler replaces the worker's custom-domain set with the declared ones on every deploy. The example config now lists both domains with a comment explaining the behaviour, and the deploy notes in CLAUDE.md say the same.

A deploy that declared only api.flarelytics.dev detached the
analytics.flarelytics.dev custom domain that every deployed tracker.js
points at, and removed its DNS record, until a second deploy declared
both. Wrangler syncs the worker's custom-domain set to the config on each
deploy, so the example config and the deploy notes now say so.
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