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feat(website): add Telegram channel and dev chat to community page #80
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| name: Deploy Website Preview | |
| # Per-PR preview of the marketing site at https://ema.tnsor.network/preview/<n>/ | |
| # (the production router worker proxies /preview/<n> to this PR's worker, | |
| # nostream-web-pr-<n>, served from its workers.dev URL). The preview is deleted | |
| # when the PR closes (merged or not). | |
| # | |
| # Requires the `website-preview` GitHub environment to exist with | |
| # CLOUDFLARE_API_TOKEN (Workers Scripts edit) and CLOUDFLARE_ACCOUNT_ID — | |
| # one-time setup. While the environment or its secrets are absent, this | |
| # workflow skips with a notice instead of failing the PR. | |
| # | |
| # Ordering rule for this workflow: the deploy runs FIRST among the side | |
| # effects, and every GitHub-comment step is cosmetic (`continue-on-error`). | |
| # Measured 2026-10-18: a pull request opened from a FORK gets a read-only | |
| # GITHUB_TOKEN whatever the `permissions:` block says, so its comment call | |
| # answers `GraphQL: Resource not accessible by integration (addComment)` — | |
| # and because that step ran BEFORE the deploy, run 39134047965 failed at | |
| # 14:01Z with the deploy skipped, leaving the previous build being served. | |
| # A comment must never be able to prevent a deploy. | |
| on: | |
| pull_request: | |
| types: | |
| - opened | |
| - synchronize | |
| - reopened | |
| - closed | |
| paths: | |
| - "website/site/**" | |
| - "website/hero-animation/**" | |
| - ".github/workflows/deploy-website-preview.yml" | |
| # The production workflow deploys the router that serves /preview/*, so | |
| # a router change has to refresh the previews or they keep serving the | |
| # old routing. (This file's own entry is what made run 39134047965 fire | |
| # at all: PR 885 touches none of the website paths.) | |
| - ".github/workflows/deploy-website.yml" | |
| - "website/site/worker/**" | |
| concurrency: | |
| group: website-preview-${{ github.event.pull_request.number }} | |
| cancel-in-progress: true | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| # PR conversation comments are issue comments: `gh pr comment` and the | |
| # `issues/<n>/comments` API need this, and `pull-requests: write` alone | |
| # does not grant it. Same-repo runs worked only because the repo's default | |
| # GITHUB_TOKEN permissions already included it; a fork PR never does. | |
| issues: write | |
| jobs: | |
| preview: | |
| runs-on: ubuntu-latest | |
| # Deploy credentials live in this GitHub environment: CLOUDFLARE_API_TOKEN | |
| # secret (Workers Scripts scope) and CLOUDFLARE_ACCOUNT_ID variable. | |
| environment: website-preview | |
| # Guard the environment reference so a missing setup skips rather than fails: | |
| # the job targets the environment only when it exists. | |
| steps: | |
| - name: Check preview environment is configured | |
| id: guard | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| run: | | |
| set -eu | |
| # Existence is the only check the runner's token can make: listing | |
| # environment secrets needs permissions github.token does not carry, | |
| # and probing them here once made every run skip with "lacks | |
| # CLOUDFLARE_API_TOKEN" even after the secrets were set. | |
| # A pull_request run from a fork gets no repository secrets at all - | |
| # GitHub does not hand them to code the PR author controls, whatever | |
| # the environment says. Such a run can never deploy a preview, so it | |
| # must stop here rather than reach `wrangler deploy` with an empty | |
| # token and fail there. The fix that would serve forks is a | |
| # workflow_run deployment on a trusted branch; this workflow does | |
| # not implement one, so it skips instead of pretending. | |
| if [ "${{ github.event.pull_request.head.repo.full_name }}" != "${{ github.repository }}" ]; then | |
| echo "skip=true" >> "$GITHUB_OUTPUT" | |
| echo "::notice::pull request is from a fork — preview skipped (fork runs receive no repository secrets). The site deploy runs on main after merge." | |
| elif gh api repos/${{ github.repository }}/environments/website-preview >/dev/null 2>&1; then | |
| echo "skip=false" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "skip=true" >> "$GITHUB_OUTPUT" | |
| echo "::notice::website-preview environment does not exist yet — PR preview skipped. Create it with CLOUDFLARE_API_TOKEN + CLOUDFLARE_ACCOUNT_ID to enable previews." | |
| fi | |
| - name: Checkout (for cleanup metadata) | |
| if: steps.guard.outputs.skip == 'false' | |
| uses: actions/checkout@v3 | |
| - uses: pnpm/action-setup@v4 | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| - uses: actions/setup-node@v3 | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| with: | |
| node-version-file: .nvmrc | |
| cache: pnpm | |
| - name: Install workspace dependencies | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| run: pnpm install --frozen-lockfile | |
| - name: Build the site under the preview base | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| working-directory: website/site | |
| env: | |
| # Previews are built under the preview domain, not the production | |
| # one: a preview's absolute links and canonical tags must not claim | |
| # nostream.dev, or a crawler reaching a preview caches the wrong | |
| # origin. Not a repo variable - previews are our own infrastructure, | |
| # and a variable someone forgets to set would silently point them | |
| # at production. | |
| SITE_URL: https://ema.tnsor.network | |
| SITE_BASE: /preview/${{ github.event.pull_request.number }}/ | |
| run: | | |
| pnpm run build | |
| node scripts/apply-base.mjs | |
| # The assets manifest is keyed by file path: the worker serves dist/ | |
| # at the root of its URL, but the preview is requested under | |
| # /preview/<n>/... — so the built tree must also EXIST at that path | |
| # or every asset request falls through to the SPA-fallback | |
| # index.html (text/html for .css/.mp4 requests — the broken preview). | |
| # Copy the build into dist/preview/<n>/ (excluding the copy itself). | |
| n="${{ github.event.pull_request.number }}" | |
| mkdir -p "dist/preview/$n" | |
| find dist -mindepth 1 -maxdepth 1 ! -name preview -exec cp -r {} "dist/preview/$n/" \; | |
| - name: Deploy the preview worker | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| working-directory: website/site | |
| env: | |
| CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }} | |
| CLOUDFLARE_ACCOUNT_ID: ${{ vars.CLOUDFLARE_ACCOUNT_ID }} | |
| run: | | |
| npx wrangler deploy \ | |
| --config wrangler.preview.jsonc \ | |
| --name nostream-web-pr-${{ github.event.pull_request.number }} | |
| - name: Purge the preview's CDN cache | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| # Part of making a deploy visible, never a gate on it: a missing or | |
| # under-scoped purge credential must not fail a job whose deploy | |
| # already succeeded. | |
| continue-on-error: true | |
| env: | |
| CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }} | |
| CLOUDFLARE_ZONE_ID: ${{ vars.CLOUDFLARE_ZONE_ID }} | |
| run: | | |
| # A newly deployed preview worker sits behind the CDN for its own | |
| # domain, so a request that landed mid-deploy can keep being served | |
| # the previous build after the new one is live. Measured 2026-10-18: | |
| # https://ema.tnsor.network/preview/885/ returned production HTML | |
| # with no x-preview-pr header at 14:01:53Z and answered correctly | |
| # three minutes later — a stale window, not a broken deploy. | |
| # | |
| # The purge is scoped to this PR's path prefix, so it cannot affect | |
| # the production site or another PR's preview. | |
| n="${{ github.event.pull_request.number }}" | |
| if [ -z "$CLOUDFLARE_ZONE_ID" ]; then | |
| echo "::notice::CLOUDFLARE_ZONE_ID is not set for the website-preview environment — preview deployed, cache purge skipped. Add it as an environment VARIABLE (the zone id is on the ema.tnsor.network zone Overview page) to enable purging." | |
| exit 0 | |
| fi | |
| # Hostname and path only: a scheme-prefixed value is rejected outright. | |
| body="{\"prefixes\":[\"ema.tnsor.network/preview/$n/\"]}" | |
| code=$(curl -sS -o /tmp/purge.json -w '%{http_code}' \ | |
| -X POST "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE_ID/purge_cache" \ | |
| -H "authorization: Bearer $CLOUDFLARE_API_TOKEN" \ | |
| -H 'content-type: application/json' \ | |
| --data "$body") | |
| if [ "$code" = "200" ]; then | |
| echo "purged https://ema.tnsor.network/preview/$n/ (prefix)" | |
| else | |
| echo "::warning::cache purge answered HTTP $code — $(head -c 400 /tmp/purge.json)" | |
| fi | |
| # The comment is written ONCE, after the deploy, in its final state. A | |
| # separate "rendering" write that a later step has to undo would leave a | |
| # finished preview reading as unfinished whenever the second write failed | |
| # or the run was cancelled - and it no longer signals anything useful now | |
| # that it runs after the deploy rather than before it. | |
| - name: Link the preview on the PR | |
| if: steps.guard.outputs.skip == 'false' && github.event.action != 'closed' | |
| continue-on-error: true | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| URL: https://ema.tnsor.network/preview/${{ github.event.pull_request.number }}/ | |
| WORKER_URL: https://nostream-web-pr-${{ github.event.pull_request.number }}.cameri.workers.dev/preview/${{ github.event.pull_request.number }}/ | |
| MARKER: <!-- site-preview-comment --> | |
| run: | | |
| # One comment per PR, updated in place on every push: find the | |
| # existing one by marker, edit it, or create it if absent. The | |
| # direct workers.dev URL works as soon as this deploy lands; the | |
| # ema.tnsor.network form starts working once the router ships | |
| # (it deploys with this PR's merge). | |
| COMMENT_ID=$(gh api "repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments?per_page=100" \ | |
| --jq '.[] | select(.body | startswith(env.MARKER)) | .id' | tail -1) | |
| BODY="${MARKER} | |
| 🔍 Site preview for this PR (includes all changes on this branch): ${WORKER_URL} | |
| The ${URL} form serves the same build once this PR merges — the production router that proxies /preview/* ships with it. | |
| Updates with every push to this PR; deleted when the PR closes." | |
| if [ -n "$COMMENT_ID" ]; then | |
| gh api -X PATCH "repos/${{ github.repository }}/issues/comments/$COMMENT_ID" -f body="$BODY" >/dev/null | |
| echo "updated comment $COMMENT_ID" | |
| else | |
| gh pr comment ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --body "$BODY" >/dev/null | |
| echo "created new preview comment" | |
| fi | |
| - name: Delete the preview worker | |
| if: steps.guard.outputs.skip == 'false' && github.event.action == 'closed' | |
| working-directory: website/site | |
| env: | |
| CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }} | |
| CLOUDFLARE_ACCOUNT_ID: ${{ vars.CLOUDFLARE_ACCOUNT_ID }} | |
| run: | | |
| # --force skips the "would this break dependents" probe, which calls | |
| # KV namespaces listing the deploy token's scope (Workers Scripts | |
| # only) cannot read — the probe errors with auth 10000 AFTER the | |
| # delete has already succeeded. Preview workers are assets-only | |
| # (no bindings), so the check is pure overhead. A missing worker | |
| # still errors and is caught below. | |
| npx wrangler delete --config wrangler.preview.jsonc --force \ | |
| --name nostream-web-pr-${{ github.event.pull_request.number }} \ | |
| || echo "preview worker already absent" | |
| - name: Note the cleanup on the PR | |
| if: steps.guard.outputs.skip == 'false' && github.event.action == 'closed' | |
| continue-on-error: true | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| MARKER: <!-- site-preview-comment --> | |
| run: | | |
| # Update the SAME single preview comment instead of adding one. | |
| COMMENT_ID=$(gh api "repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments?per_page=100" \ | |
| --jq '.[] | select(.body | startswith(env.MARKER)) | .id' | tail -1) | |
| BODY="${MARKER} | |
| 🧹 Site preview for this PR was deleted (PR closed)." | |
| if [ -n "$COMMENT_ID" ]; then | |
| gh api -X PATCH "repos/${{ github.repository }}/issues/comments/$COMMENT_ID" -f body="$BODY" >/dev/null | |
| else | |
| gh pr comment ${{ github.event.pull_request.number }} --repo ${{ github.repository }} --body "$BODY" >/dev/null || true | |
| fi |