Merge branch 'sleep_signals'

docker-entrypoint

@@ -116,7 +116,8 @@ then
   if [ "$AUTOHEAL_START_PERIOD" -gt 0 ]
   then
   echo "Monitoring containers for unhealthy status in $AUTOHEAL_START_PERIOD second(s)"
-    sleep "$AUTOHEAL_START_PERIOD"
+    sleep "$AUTOHEAL_START_PERIOD" &
+    wait $!
   fi
 
   while true
@@ -147,7 +148,8 @@ then
         fi
       fi
     done
-    sleep "$AUTOHEAL_INTERVAL"
+    sleep "$AUTOHEAL_INTERVAL" &
+    wait $!
   done
 
 else