Added get_domain function

roles/docker-openproject/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: "Create {{openproject_plugins_service}}"

roles/docker-openproject/templates/env.j2

@@ -7,7 +7,7 @@
 #   https://www.openproject.org/docs/installation-and-operations/configuration/environment/
 #
 OPENPROJECT_HTTPS=true
-OPENPROJECT_HOST__NAME={{domains[application_id]}}
+OPENPROJECT_HOST__NAME={{domains | get_domain(application_id)}}
 OPENPROJECT_RAILS__RELATIVE__URL__ROOT=
 IMAP_ENABLED=false
 POSTGRES_PASSWORD="{{ database_password }}"