I have a test version of the compose plugin that has a couple of new features.
- The backup works with compose files that use an environment variable in the path
- Added option to import a single compose file
wget https://omv-extras.org/testing/openmediavault-compose_7.0.11_all.deb -O openmediavault-compose_7.0.11_all.deb
sudo dpkg -i openmediavault-compose_7.0.11_all.deb