Add postgress docker compose examples + Flyway Modularity Support (#2089)

* added postgress docker compose examples
* move mysql flyway into server (remove from hawkbit-repository-jpa-flyway)
* in starters is added posgress and sqlserver flyway support - see [Flyway Modularity](https://github.com/flyway/flyway/issues/3780)

_release_notes_

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

docker/docker-compose-monolith-postgres.yml

@@ -0,0 +1,43 @@
+#
+# 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
+#
+version: '3'
+
+include:
+  - docker-compose-deps-postgres.yml
+
+services:
+
+  # ---------------------
+  # HawkBit service
+  # ---------------------
+  hawkbit:
+    image: "hawkbit/hawkbit-update-server:latest"
+    environment:
+      - 'PROFILES=postgresql'
+      - 'SPRING_DATASOURCE_URL=jdbc:postgresql://postgres:5432/hawkbit'
+      - 'SPRING_DATASOURCE_USERNAME=postgres'
+      - 'SPRING_DATASOURCE_PASSWORD=admin'
+      - 'SPRING_RABBITMQ_HOST=rabbitmq'
+      - 'SPRING_RABBITMQ_USERNAME=guest'
+      - 'SPRING_RABBITMQ_PASSWORD=guest'
+    volumes:
+      - artifactrepo:/artifactrepo
+    restart: always
+    ports:
+      - "8080:8080"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    labels:
+      NAME: "hawkbit"
+
+volumes:
+  artifactrepo:
+    driver: local