Fix monolith docker compose - waiting for MySQL (#1526)

Signed-off-by: Marinov Avgustin <Avgustin.Marinov@bosch.com>

hawkbit-runtime/docker/docker-compose-monolith-mysql.yml

@@ -35,6 +35,10 @@ services:
     restart: always
     ports:
       - "3306:3306"
+    healthcheck:
+      test: [ "CMD", "mysqladmin" ,"ping", "-h", "localhost" ]
+      timeout: 20s
+      retries: 10
     labels:
       NAME: "mysql"