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Known limits

  • There is no cap on concurrent builds; builds share the host with everything else.
  • gangway speaks HTTP/1.1. It sends its assets precompressed (brotli or gzip), but a reverse proxy in front gives browsers HTTP/2, which loads the dashboard’s many small files faster.
  • Static previews served by gangway answer a single byte range, not several at once.
  • A preview’s logs are removed with the preview.
  • GitHub is the only forge for pull-request previews.
  • Let’s Encrypt certificates come over DNS-01 through Cloudflare only; with another DNS provider, let a reverse proxy hold the certificate.