diff --git a/Dockerfile b/Dockerfile
index 49387ea..2963f99 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,6 @@ COPY conf.d/nginx.conf /etc/nginx/nginx.conf
 COPY conf.d/mime.types /etc/nginx/mime.types
 
 RUN rm /etc/nginx/conf.d/default.conf
-COPY conf.d/default.conf /etc/nginx/conf.d/default.conf
 
 RUN mkdir /dockersible
 COPY dockersible/ /dockersible
diff --git a/backend.conf.j2 b/backend.conf.j2
index f91a633..de3d4ba 100644
--- a/backend.conf.j2
+++ b/backend.conf.j2
@@ -1,5 +1,6 @@
 server {
-    listen 80;
+    listen 80 default_server;
+    listen [::]:80 default_server;
 {% if domain %}
     server_name {{ domain }} www.{{ domain }};
 {% else %}
@@ -54,6 +55,7 @@ server {
         proxy_set_header Host $host;
         proxy_set_header X-Forwarded-Proto $scheme;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header  X-Url-Scheme $scheme;
         proxy_redirect off;
     }
 
@@ -63,6 +65,7 @@ server {
         proxy_set_header Host $host;
         proxy_set_header X-Forwarded-Proto $scheme;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header  X-Url-Scheme $scheme;
         proxy_redirect off;
     }
 }
diff --git a/conf.d/default.conf b/conf.d/default.conf
deleted file mode 100644
index 9b8f8ab..0000000
--- a/conf.d/default.conf
+++ /dev/null
@@ -1,4 +0,0 @@
-server {
-  listen 80 default_server;
-  return 444;
-}
diff --git a/install.py b/install.py
index 7b254c5..c5aca90 100644
--- a/install.py
+++ b/install.py
@@ -6,7 +6,7 @@ from dockersible.files import copy, template
 
 
 def get_ssl_context(environ):
-    domain = environ['domain']
+    domain = environ['DOMAIN']
     nginx_info = {
         'domain': domain,
         'dhparam': False,
@@ -44,8 +44,8 @@ def get_certificates(domain):
 
 
 if __name__ == "__main__":
-    pk, crt = get_certificates(os.environ['domain'])
+    pk, crt = get_certificates(os.environ['DOMAIN'])
     copy(source=pk, destination='/etc/ssl/private', basename='private.key', mode='0600')
     copy(source=crt, destination='/etc/ssl/certs', basename='certificate.crt', mode='0644')
 
-    template('/backend.conf.j2', get_ssl_context(os.environ), '/etc/nginx/conf.d/backend.conf')
+    template('/backend.conf.j2', get_ssl_context(os.environ), '/etc/nginx/conf.d/default.conf')