expose db connect to localhost for backups

roles/wiki_js/tasks/main.yml

@@ -29,6 +29,8 @@
       - /home/{{ system_user_name }}/docker/wiki_js/db:/var/lib/postgresql/data
     networks:
       - name: wiki_js_internal
+    ports:
+      - "{{ BORGMATIC_BACKUP_HOST }}:{{ BORGMATIC_WIKI_JS_DB_PORT }}:{{ WIKI_JS_DB_PORT }}"
 
 - name: Create Wiki_JS Container
   community.docker.docker_container: