Add support for serving the base domain via matrix-static-files

group_vars/matrix_servers

@@ -3080,8 +3080,6 @@ matrix_ssl_domains_to_obtain_certificates_for: |
     +
     (matrix_bot_postmoogle_domains if matrix_bot_postmoogle_enabled else [])
     +
-    ([matrix_domain] if matrix_nginx_proxy_base_domain_serving_enabled else [])
-    +
     matrix_ssl_additional_domains_to_obtain_certificates_for
   }}
 
@@ -4590,13 +4588,17 @@ matrix_static_files_enabled: true
 
 matrix_static_files_container_network: "{{ devture_traefik_container_network if matrix_playbook_reverse_proxy_type == 'playbook-managed-traefik' else matrix_well_known_ident }}"
 
-matrix_static_files_container_labels_well_known_matrix_endpoint_traefik_hostname: "{{ matrix_server_fqn_matrix }}"
-
 matrix_static_files_container_labels_traefik_enabled: "{{ matrix_playbook_traefik_labels_enabled }}"
 matrix_static_files_container_labels_traefik_docker_network: "{{ matrix_playbook_reverse_proxyable_services_additional_network }}"
 matrix_static_files_container_labels_traefik_entrypoints: "{{ devture_traefik_entrypoint_primary }}"
 matrix_static_files_container_labels_traefik_tls_certResolver: "{{ devture_traefik_certResolver_primary }}"
 
+matrix_static_files_container_labels_well_known_matrix_endpoint_traefik_hostname: "{{ matrix_server_fqn_matrix }}"
+
+# Base domain serving is not enabled by default (see `matrix_static_files_container_labels_base_domain_enabled`),
+# but we pass the hostname, so that enabling it is easy.
+matrix_static_files_container_labels_base_domain_traefik_hostname: "{{ matrix_domain }}"
+
 matrix_static_files_file_matrix_client_property_io_element_jitsi_preferred_domain: "{{ matrix_server_fqn_jitsi if jitsi_enabled else '' }}"
 
 matrix_static_files_file_matrix_client_property_org_matrix_msc3575_proxy_url: "{{ matrix_homeserver_sliding_sync_url }}"