Document remote builds

[farrelmahaztra]

Note

Adds a "Remote Builds" docs page detailing GitHub-connected cloud builds and links it in the Environments navigation.

• Documentation:
  • New guide: docs/build-environments/remote-builds.mdx
    • Connect GitHub via app installation and repo access selection
    • Build from repositories (optional branch), build steps (clone, Docker build, push), and log monitoring
    • Test environments via tasks, including selection and run
    • Automatic rebuilds on pushes and manual rebuild via UI
    • Troubleshooting tips (repo access, Dockerfile presence, Docker Hub rate limits, timeouts)
  • Navigation: Add build-environments/remote-builds to docs/docs.json under the Environments group.

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