Some updates

documentation/PROXY.md

@@ -98,21 +98,22 @@ The following configuration works for Apache (without HTTPS):
 
 ### HAProxy
 
-The following configuration works for HAProxy (HTTPS with HTTP
-redirection):
+The following configuration works for HAProxy (HTTP and HTTPS):
 
 ```haproxy
-frontend https
 
+defaults
+    
+    # Use HTTP protocole
+    mode http
+    
+frontend https
+    
     # Listen on the HTTPS and HTTP ports
     bind :80
-    bind :443 ssl crt /etc/haproxy/cert_key.pem
+    bind :443 ssl crt /etc/haproxy/certs/cert_key.pem
 
-    # Some useful headers (Can be placed in the "default" section)
-    option httpclose
-    option forwardfor
-
-    # Bind the URL with the right backend
+    # Bind URL with the right backend
     acl is_libresonic  path_beg -i /libresonic
     use_backend libresonic-backend if is_libresonic
 
@@ -122,6 +123,9 @@ backend libresonic-backend
     # proxy_redirect directive.
     http-response replace-value Location ^http://(.*)$ https://\1
 
+    # (OPTIONAL) Force HTTPS
+    redirect scheme https if !{ ssl_fc }
+
     # Forward requests to Libresonic running on localhost on port 4040
     server libresonic 127.0.0.1:4040 check
 ```