Add support for extra domains in the webserver container

templates/docker-compose.yml.twig

@@ -79,7 +79,7 @@ services:
     labels:
       traefik.backend: '{{ projectname }}_{{ webserver.type }}_1'
       traefik.port: '80'
-      traefik.frontend.rule: 'Host:{{ projectname }}.docker.localhost'
+      traefik.frontend.rule: 'Host:{{ projectname }}.docker.localhost{% for domain in extradomains|default([]) %},{{ domain }}{% endfor %}'
 {% if varnish.enable %}
 
   varnish:

templates/settings.docker.php.twig

@@ -4,6 +4,9 @@
 $settings['trusted_host_patterns'] = array(
   '^{{ projectname }}\.docker\.localhost$',
   '^{{ webserver.type }}$',
+{% for domain in extradomains|default([]) %}
+  '^{{ domain|replace({".": "\\."}) }}$',
+{% endfor %}
 );
 $databases = array(
   'default' => array(