pass tests, allow drop in replacement

restore original variables
update to include privileged variable
treat `command` as a command and not an argument to entrypoint

.forgejo/workflows/example-docker-compose.yml

@@ -35,7 +35,7 @@ jobs:
           #
           # Launch Forgejo & the runner
           #
-          $cli up -d
+          $cli up -d --remove-orphans
           for delay in $(seq 60) ; do test -f /srv/runner-data/.runner && break ; sleep 30 ; done
           test -f /srv/runner-data/.runner
           #