Support caching in the nginx configuration file

nginx.conf

@@ -8,13 +8,19 @@ server {
 
     location / {
         proxy_pass http://localhost:8080;
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Scheme $scheme;
     }
 
-    location ~ ^/([a-zA-Z0-9\-\._]+)/(.*) {
+    location ~ ^/([a-zA-Z0-9\-\._]+)/ {
         set $branch $1;
 
-        rewrite ^/([a-zA-Z0-9\-\._]+)/(.*) /$2 break;
+        root $managetests_root/caches;
+        try_files $request_uri.html $request_uri/index.html @branch;
+    }
 
+    location @branch {
         proxy_pass http://unix:$managetests_root/socks/branches/$branch.sock;
         proxy_set_header Host $host;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -23,4 +29,3 @@ server {
     }
 
 }
-