I am a newbee on OMV, but I try to set up Jdownloader with docker using the code
docker run -d --init --restart=always -v $HOME/Downloads:/opt/JDownloader/Downloads -v /docker/appdata/jdownloader:/opt/JDownloader/cfg --name jdownloader -u $(id -u) -p 3129:3129 -e MYJD_USER=myemail@gmail.com -e MYJD_PASSWORD=pass -e MYJD_DEVICE_NAME=raspberry jaymoulin/jdownloader
but I could not enter both Jdownloader UI, or myjdownloader.