Export a RAILS_SECRET to your shell before launching, or manually replace in the file itself.
This secret key must be a string of both numbers and letters.
Then simply run
docker-compose -f dependensee_release.yml upFirst boot may take a few minutes as several hundred megabytes of sources are downloaded and parsed.
API is accessible on http://localhost:3000, and the UI on http://localhost:80
Native versions of the UI are optionally available. These are simple wrappers around the web app using:
https://github.com/jiahaog/nativefier