How to enable ZIP file attachments in self-hosted ODK Central (Docker)

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Hello ODK community,

I'm building a form that requires users to attach ZIP files as submissions, and I'm running a self-hosted ODK Central instance using Docker.

My Current Setup:

  • ODK Central Version: latest

  • Deployment: Self-hosted via Docker Compose

  • Form needs: I have a file question type where users should be able to upload .zip files