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

roles/docker-joomla/tasks/main.yml

@@ -1,15 +1,18 @@
 ---
+- 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 tasks nginx-docker-proxy-domain.yml"
   include_tasks: nginx-docker-proxy-domain.yml
   loop: "{{ domains }}"
   loop_control:
     loop_var: domain
 
-- 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-joomla/templates/docker-compose.yml.j2

@@ -11,21 +11,20 @@ services:
       JOOMLA_DB_PASSWORD: "{{database_password}}"
       JOOMLA_DB_NAME: "{{database_databasename}}"
     restart: always
-{% if not enable_central_database %}
-    depends_on:
-      - database
-{% endif %}
+{% include 'templates/docker-depends-on-central-database.yml.j2' %}
     volumes:
       - data:/var/www/html
     ports:
       - "127.0.0.1:{{http_port}}:80"
+{% include 'templates/docker-networks-for-container.yml.j2' %}
+{% if enable_central_database %}
+    depends_on:
+      database:
 
-{% if not enable_central_database %}
-{% include 'templates/docker-mariadb-service.yml.j2' %}
-{% endif %}
+{% include 'templates/docker-{{ database_type }}-service.yml.j2' %}
 
 volumes:
   data:
-{% if not enable_central_database %}
-  database:
-{% endif %}
+{% include 'templates/docker-database-volume.yml.j2' %}
+
+{% include 'templates/docker-networks-for-role.yml.j2' %}

roles/docker-joomla/vars/main.yml

@@ -1,6 +1,3 @@
 docker_compose_project_name:  	    "joomla"
-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:  	              "{{joomla_database_password}}"
+database_password:  	              "{{joomla_database_password}}"
+database_type:                      "postgres"