implemented draf for gitlab role

roles/docker-listmonk/templates/docker-compose.yml.j2

@@ -1,24 +1,8 @@
 version: "3.7"
 
 services:
-  database:
-    image: postgres:13-alpine
-    ports:
-      - "9432:5432"
-    environment:
-      - POSTGRES_PASSWORD={{database_password}}
-      - POSTGRES_USER={{database_username}}
-      - POSTGRES_DB={{database_databasename}}
-    restart: unless-stopped
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U {{database_username}}"]
-      interval: 10s
-      timeout: 5s
-      retries: 6
-    volumes:
-      - type: volume
-        source: database
-        target: /var/lib/postgresql/data
+
+{% include 'templates/docker-postgres-service.yml.j2' %}
 
   application:
     restart: unless-stopped