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

roles/docker-matrix-compose/tasks/main.yml

@@ -1,14 +1,17 @@
 ---
+- 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
   vars:
     domain:     "{{synapse_domain}}"
     http_port:  "{{synapse_http_port}}"
-
-- name: create database in central Postgres
-  include_role:
-    name: docker-postgres
-  when: enable_central_database | bool
         
 - name: "include tasks nginx-docker-proxy-domain.yml"
   include_tasks: nginx-docker-proxy-domain.yml

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

@@ -19,7 +19,7 @@ services:
 {% if not enable_central_database %}
     depends_on:
       - database
-{% include 'templates/docker-postgres-service.yml.j2' %}
+{% include 'templates/docker-{{ database_type }}-service.yml.j2' %}
 {% endif %}
   
   element:
@@ -60,14 +60,9 @@ services:
   #  - instagram_bridge_data:/data  
 
 volumes:
-{% if not enable_central_database %}
-  database:
-{% endif %}
+{% include 'templates/docker-database-volume.yml.j2' %}
   synapse_data:
   #telegram_bridge_data:
   #whatsapp_bridge_data:
   #facebook_bridge_data:
-  #instagram_bridge_data:
-networks:
-  default:
-    driver: bridge
+  #instagram_bridge_data:

roles/docker-matrix-compose/vars/main.yml

@@ -1,7 +1,5 @@
 ---
 docker_compose_project_name:  	    "matrix"
-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:  	              "{{matrix_database_password}}"
+database_password:  	              "{{matrix_database_password}}"
+database_version:                   "{{ baserow_database_version | default(postgres_default_version) }}"
+database_type:                      "postgres"