added X-Forwarded-Proto header to all server blocks that are proxying…

… to (#24)

a backend.

config/nginx.conf.tpl

@@ -34,6 +34,7 @@ http {
     location {{incomingPath}} {
       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header X-Forwarded-Proto $scheme;
       proxy_pass http://localhost:{{outgoingPort}}{{outgoingPath}};
     }
   }
@@ -48,6 +49,7 @@ http {
     location / {
       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header X-Forwarded-Proto $scheme;
       proxy_pass http://localhost:{{port}};
       proxy_send_timeout          300;
       proxy_read_timeout          300;
@@ -83,6 +85,7 @@ http {
     location / {
       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header X-Forwarded-Proto $scheme;
       proxy_pass http://localhost:{{port}};
       proxy_send_timeout          300;
       proxy_read_timeout          300;