https://docs.openolat.org/manual_admin/installation/installGuide/
DB_PASSWORD, defaultdefaultDB_URL, defaultjdbc:postgresql://localhost:5432/oodbOLAT_HOST, defaultlocalhostEXTRA_PROPERTIES, defaultnone
https://docs.openolat.org/manual_admin/installation/installGuide/
DB_PASSWORD, default defaultDB_URL, default jdbc:postgresql://localhost:5432/oodbOLAT_HOST, default localhostEXTRA_PROPERTIES, default none