diff --git a/docker/wait-for-it.sh b/docker/wait-for-it.sh
new file mode 100644
index 000000000..998b757f7
--- /dev/null
+++ b/docker/wait-for-it.sh
@@ -0,0 +1,20 @@
+
+#!/bin/sh
+# wait until MySQL is really available
+maxcounter=${MAX_DB_CONN_ATTEMPTS:-10}
+echo "Trying to connect to PostgreSQL, max attempts="$maxcounter
+ 
+counter=1
+while ! mysql --host="$DATABASE_URL" --protocol TCP -u"$POSTGRES_USER" -p"$POSTGRES_PASSWORD" -e "show databases;" > /dev/null 2>&1; do
+    sleep 1
+    counter=`expr $counter + 1`
+    if [ $counter -gt $maxcounter ]; then
+        >&2 echo "We have been waiting for PostgreSQL too long already; failing."
+        exit 1
+    fi;
+done
+echo "-=------------------------------------------------------"
+echo "-=------------------------------------------------------"
+echo "Connected to PostgreSQL!"
+echo "-=------------------------------------------------------"
+echo "-=------------------------------------------------------"