Added get_domain function

roles/docker-funkwhale/tasks/main.yml

@@ -7,7 +7,7 @@
   include_role:
     name: nginx-domain-setup
   vars:
-    domain:   "{{ domains[application_id] }}"
+    domain:   "{{ domains | get_domain(application_id) }}"
     http_port:   "{{ ports.localhost.http[application_id] }}"
 
 - name: "copy docker-compose.yml and env file"

roles/docker-funkwhale/templates/env.j2

@@ -40,7 +40,7 @@ FUNKWHALE_WEB_WORKERS=4
 # Replace this by the definitive, public domain you will use for
 # your instance. It cannot be changed after initial deployment
 # without breaking your instance.
-FUNKWHALE_HOSTNAME={{domains[application_id]}}
+FUNKWHALE_HOSTNAME={{domains | get_domain(application_id)}}
 FUNKWHALE_PROTOCOL=https
 
 # Log level (debug, info, warning, error, critical)