Implemented vars, tasks and templates for central database setup until mastodon role

roles/docker-nextcloud/tasks/main.yml

@@ -1,4 +1,12 @@
 ---
+- name: include docker vars
+  include_vars: vars/docker-database-service.yml.j2
+
+- name: create central database
+  include_role:
+    name: docker-{{database_type}}
+  when: enable_central_database | bool
+
 - name: "include task certbot-matomo.yml"
   include_tasks: certbot-matomo.yml
 
@@ -20,11 +28,6 @@
     dest: "{{path_docker_volumes}}nextcloud/nginx.conf"
   notify: docker compose project setup
 
-- name: create database in central MariaDB
-  include_role:
-    name: docker-mariadb
-  when: enable_central_database | bool
-
 - name: "create {{docker_compose_instance_directory}}"
   file:
     path: "{{docker_compose_instance_directory}}"

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

@@ -17,7 +17,7 @@ services:
     depends_on:
       - database
 
-{% include 'templates/docker-mariadb-service.yml.j2' %}
+{% include 'templates/docker-{{ database_type }}-service.yml.j2' %}
 {% endif %}
 
   web:
@@ -44,17 +44,9 @@ services:
     volumes:
       - data:/var/www/html
     entrypoint: /cron.sh
-    depends_on:
-{% if not enable_central_database %}
-      - database
-{% endif %}
-      - redis
+{% include 'templates/docker-depends-on-central-database.yml.j2' %}
+      redis:
 volumes:
-{% if not enable_central_database %}
-  database:
-{% endif %}
+{% include 'templates/docker-database-volume.yml.j2' %}
   data:
   redis:
-networks:
-  default:
-    driver: bridge

roles/docker-nextcloud/vars/main.yml

@@ -1,7 +1,4 @@
 ---
 docker_compose_project_name:        "nextcloud"
-docker_compose_instance_directory:  "{{path_docker_compose_instances}}{{docker_compose_project_name}}/"
-database_host:      	              "database"
-database_databasename:              "{{docker_compose_project_name}}"
-database_username:  	              "{{docker_compose_project_name}}"
-database_password:  	              "{{nextcloud_database_password}}"
+database_password:  	              "{{nextcloud_database_password}}"
+database_type:                      "mariadb"