Fix race condition with workaround

data/Dockerfiles/sogo/reconf-domains.sh

@@ -1,9 +1,5 @@
 #!/bin/bash
 
-until mysqladmin ping --host mysql --silent; do
-	sleep 1
-done
-
 # Wait for MySQL to warm-up
 while mysqladmin ping --host mysql --silent; do
 

data/Dockerfiles/sogo/supervisord.conf

@@ -8,7 +8,7 @@ autostart=true
 stdout_syslog=true
 
 [program:sogo]
-command=/usr/sbin/sogod
+command=sh -c "sleep 3; /usr/sbin/sogod"
 user=sogo
 autorestart=true
 priority=20