Changed roles to new docker backup procedure

roles/docker-mastodon/templates/.env.production.j2

@@ -5,11 +5,11 @@ SECRET_KEY_BASE={{mastodon_secret_key_base}}
 OTP_SECRET={{mastodon_otp_secret}}
 VAPID_PRIVATE_KEY={{mastodon_vapid_private_key}}
 VAPID_PUBLIC_KEY={{mastodon_vapid_public_key}}
-DB_HOST=database
+DB_HOST={{database_host}}
 DB_PORT=5432
-DB_NAME=postgres
-DB_USER=postgres
-DB_PASS=
+DB_NAME={{database_databasename}}
+DB_USER={{database_username}}
+DB_PASS={{database_password}}
 REDIS_HOST=redis
 REDIS_PORT=6379
 REDIS_PASSWORD=

roles/docker-mastodon/vars/main.yml

@@ -1 +1,6 @@
 docker_compose_instance_directory: "{{path_docker_compose_instances}}mastodon/"
+database_instance:  	  "mastodon"
+database_host:      	  "database"
+database_databasename:  "postgres" # todo: Change this to standart name scheme for future setups
+database_username:  	  "postgres" # todo: Change this to standart name scheme for future setups
+database_password:  	  "" # todo: Change this to standart name scheme for future setups