@issa - 60 seconds exactly. Consistently.
@Florian_May Looks like the Nginx proxy is timing out trying to retrieve from Central.
Logs in the service_1 container don't suggest anything wrong -
Nothing in /var/log/odk/stderr.log and only
::ffff:172.19.0.5 - - [11/Sep/2019:10:21:36 +0000] "GET /v1/projects/6/forms/baseline_hh_survey/submissions.csv.zip HTTP/1.0" 200 -
in stdout.log