Use dumb-init in Dockerfile; chown tracker directory to proper uid Use dumb-init so proceses started from Roundup get properly reaped if they exit after the Roundup server instance. Also chown the tracker mount directory to the specified uid/gid.

#!/usr/bin/env python
from __future__ import print_function
import zlib, base64, sys
print(base64.encodestring(zlib.compress(sys.stdin.read())))