Fix/Improvement of docker stuff (#1440)

* old docker files removed as not needed anymore
* base docker image upgraded
* mariadb version upgraded and dockerfile fixed to work with new jdks
  as extended libs approach seem to be not supporte anymore
* deprecated rabbitmq default vhost config removed
  (https://github.com/eclipse/hawkbit/issues/1157)

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

hawkbit-runtime/docker/dockerfiles/generate.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+#
+# Copyright (c) 2018 Bosch Software Innovations GmbH and others
+#
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+
+set -euxo pipefail
+
+HAWKBIT_VERSION="0.3.0M9"
+MARIADB_DRIVER_VERSION="3.1.4"
+BASE_IMAGE="eclipse-temurin:17.0.8_7-jre-alpine"
+
+##################################################
+
+#
+# rm ./Dockerfile ./Dockerfile-mysql
+cp ./Dockerfile.template ./Dockerfile
+cp ./Dockerfile-mysql.template ./Dockerfile-mysql
+
+sed -i '' -e "s/{{BASE_IMAGE}}/${BASE_IMAGE}/g; s/{{HAWKBIT_VERSION}}/$HAWKBIT_VERSION/g" ./Dockerfile
+sed -i '' -e "s/{{HAWKBIT_VERSION}}/$HAWKBIT_VERSION/g; s/{{MARIADB_DRIVER_VERSION}}/$MARIADB_DRIVER_VERSION/g" ./Dockerfile-mysql