Add PR preview builds with Cloudflare preview URLs - #21
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Workers Builds deploys main to production but reports nothing back to GitHub, so PRs had no build check and no preview. This workflow builds every PR, uploads the result as a Worker version (production untouched) and posts a sticky comment with the preview URL. Without the Cloudflare secrets the build still runs as a check and the upload is skipped. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HVg4d3Fg3MLk6MEyjeYowp
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What
Adds
.github/workflows/pr-preview.yml: every PR againstmainnow getsastro buildcheck (the repo previously had no CI on PRs at all), andwrangler versions upload(production traffic is untouched), and a sticky PR comment links the*.workers.devpreview URL.Why
Workers Builds deploys
mainto production but reports nothing back to GitHub — no checks, no statuses, no comments (verified on #18 and #20) — so there was no way to preview a PR from GitHub. PR #16 additionally recommends disabling Workers Builds for non-production branches; with this workflow, previews come from Actions instead, so that recommendation can be actioned without losing anything.Setup required before this works
Two repository secrets (Settings → Secrets and variables → Actions):
CLOUDFLARE_API_TOKEN— token with Workers Scripts: Edit on the OpenDialog accountCLOUDFLARE_ACCOUNT_ID— the account idUntil they exist (and on fork/Dependabot PRs, which cannot read secrets), the workflow still runs the build as a check and skips the upload with a note in the job summary — no red X.
🤖 Generated with Claude Code
https://claude.ai/code/session_01HVg4d3Fg3MLk6MEyjeYowp