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

roles/docker-pixelfed/tasks/main.yml

@@ -1,12 +1,15 @@
 ---
+- 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
 
-- 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-pixelfed/templates/docker-compose.yml.j2

@@ -1,6 +1,11 @@
 version: '2'
 
 services:
+
+{% include 'templates/docker-{{ database_type }}-service.yml.j2' %}
+
+{% include 'templates/docker-redis-service.yml.j2' %}
+
   application:
     image: zknt/pixelfed
     restart: always
@@ -14,11 +19,8 @@ services:
       - "./env:/var/www/.env"
     ports:
       - "{{http_port}}:80"
-    depends_on:
-{% if not enable_central_database %}
-      - database
-{% endif %}
-      - redis
+{% include 'templates/docker-depends-on-central-database.yml.j2' %}
+      redis:
   worker:
     image: zknt/pixelfed
     restart: always
@@ -36,22 +38,12 @@ services:
       interval: 60s
       timeout: 5s
       retries: 1
-    depends_on:
-      - redis
-      - application
-{% if not enable_central_database %}
-    
-      - database
-
-{% include 'templates/docker-mariadb-service.yml.j2' %}
-{% endif %}
-
-{% include 'templates/docker-redis-service.yml.j2' %}
+{% include 'templates/docker-depends-on-central-database.yml.j2' %}
+      redis:
+      application:
 
 volumes:
-{% if not enable_central_database %}
-  database:
-{% endif %}
+{% include 'templates/docker-database-volume.yml.j2' %}
   redis:
   application_data:
   bootstrap:

roles/docker-pixelfed/vars/main.yml

@@ -1,7 +1,4 @@
 docker_compose_project_name:                    "pixelfed"
-docker_compose_instance_directory:              "{{path_docker_compose_instances}}{{docker_compose_project_name}}/"
 nginx_docker_reverse_proxy_extra_configuration: "client_max_body_size 512M;"
-database_host:                                  "database"
-database_databasename:                          "{{docker_compose_project_name}}"
-database_username:                              "{{docker_compose_project_name}}"
+database_type:                                  "mariadb"
 database_password:                              "{{pixelfed_database_password}}"