Proxy HOST configuration support

grpc.tpl

@@ -5,5 +5,5 @@
         client_max_body_size    0;
         client_body_timeout     1071906480m;
         grpc_read_timeout       1071906480m;
-        grpc_pass               grpc://127.0.0.1:PORT;
+        grpc_pass               grpc://HOST:PORT;
     }

server-nginx.sh

@@ -126,6 +126,8 @@ do
         esac
     done
 
+    if [ -z "${xhost}" ]; then xhost="127.0.0.1"; fi
+
     # Replace the last(only) single line '}' with specific tpl file, hence insert a new section into the Nginx config file
     case "${xnetwork}" in
         ws|websocket)
@@ -138,6 +140,7 @@ do
     # Then add '}' to the end of the Nginx config file
     echo -e "\n}" >> site-xray.conf
     ESC_LOCATION=$(printf '%s\n' "${xlocation}" | sed -e 's/[]\/$*.^[]/\\&/g')
+    sed -i "s/HOST/${xhost}/g" site-xray.conf
     sed -i "s/PORT/${xport}/g" site-xray.conf
     sed -i "s/LOCATION/${ESC_LOCATION}/g" site-xray.conf
 done

ws.tpl

@@ -3,7 +3,7 @@
             return 404;
         }
         proxy_redirect off;
-        proxy_pass http://127.0.0.1:PORT;
+        proxy_pass http://HOST:PORT;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";