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

roles/docker-akaunting/templates/db.env.j2

@@ -1,9 +0,0 @@
-# These could be changed
-MYSQL_DATABASE={{database_databasename}}
-MYSQL_USER={{database_username}}
-
-# This should definitely be changed to something long and random
-MYSQL_PASSWORD={{database_password}}
-
-# You should probably leave this
-MYSQL_ROOT_PASSWORD={{database_password}}

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

@@ -1,6 +1,9 @@
 version: '3.7'
 
 services:
+
+{% include 'templates/docker-{{ database_type }}-service.yml.j2' %}
+
   application:
     image: docker.io/akaunting/akaunting:{{version_akaunting}}
     build:
@@ -14,15 +17,11 @@ services:
       - env/run.env
     environment:
       - AKAUNTING_SETUP
-{% if not enable_central_database %}
-    depends_on:
-      - database
-
-{% include 'templates/docker-mariadb-service.yml.j2' %}
-{% endif %}
+{% include 'templates/docker-networks-for-container.yml.j2' %}
+{% include 'templates/docker-depends-on-central-database.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-akaunting/templates/run.env.j2

@@ -3,12 +3,12 @@ APP_URL=https://{{domain}}
 LOCALE=en-US
 
 # Don't change this unless you rename your database container or use rootless podman, in case of using rootless podman you should set it to 127.0.0.1 (NOT localhost)
-DB_HOST=akaunting-db
+DB_HOST={{database_host}}
 
 # Change these to match env/db.env
-DB_DATABASE=akaunting
-DB_USERNAME=admin
-DB_PASSWORD={{akaunting_database_password}}
+DB_DATABASE={{database_databasename}}
+DB_USERNAME={{database_username}}
+DB_PASSWORD={{database_password}}
 
 # You should change this to a random string of three numbers or letters followed by an underscore
 DB_PREFIX=asd_