System Settings (notes before being transferred on site)
Using environment variables in Karaf settings
Yes, this is possible by using the syntax: <prop>=${env:<env-var-name>)
For instance, if the port of ST is on env variable VB_PORT
then it suffices to write in etc/org.ops4j.pax.web.cfg the following line:
org.osgi.service.http.port=${env:VB_PORT}