diff --git a/pillar/paas/docker.sls b/pillar/paas/docker.sls
--- a/pillar/paas/docker.sls
+++ b/pillar/paas/docker.sls
@@ -381,6 +381,11 @@
         app_port: 9090
         host: xmpp.nasqueron.org
 
+        # Other subservices for XMPP
+        # listening to their own subdomain
+        aliases:
+          - conference.nasqueron.org
+
     # Pixelfed
     pixelfed:
       pixelfed:
diff --git a/roles/paas-docker/nginx/files/vhosts/openfire.conf b/roles/paas-docker/nginx/files/vhosts/openfire.conf
--- a/roles/paas-docker/nginx/files/vhosts/openfire.conf
+++ b/roles/paas-docker/nginx/files/vhosts/openfire.conf
@@ -13,6 +13,10 @@
 #       and will be lost if the state is redeployed.
 #   </auto-generated>
 
+#   -------------------------------------------------------------
+#   Application - {{ fqdn }}
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
 server {
     listen 80;
     listen [::]:80;
@@ -41,3 +45,24 @@
     error_page 502 /502.html;
     location /502.html {}
 }
+
+{%- if aliases %}
+
+#   -------------------------------------------------------------
+#   Redirects for app aliases domains
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+server {
+    listen 80;
+    listen [::]:80;
+    server_name {{ aliases }};
+
+    include includes/tls;
+    ssl_certificate /srv/letsencrypt/etc/live/{{ fqdn }}/fullchain.pem;
+    ssl_certificate_key /srv/letsencrypt/etc/live/{{ fqdn }}/privkey.pem;
+
+    include includes/letsencrypt;
+
+    return 301 https://{{ fqdn }}$request_uri;
+}
+{%- endif %}