Adding SPDY, GeoIP, additional headers, some additional file caching.

files/default/proxy.conf

@@ -18,7 +18,15 @@ http {
   variables_hash_max_size 1024;
   include /etc/nginx/mime.types;
   default_type application/octet-stream;
+  # Add API and Upstream config files.
   include /etc/nginx/api.conf;
   include /etc/nginx/upstream.conf;
-  open_file_cache max=100;
+  # Open File Cache
+  open_file_cache max=10000 inactive=10m;
+  open_file_cache_valid 20m;
+  open_file_cache_min_uses 1;
+  open_file_cache_errors on;
+  # GeoIP
+  geoip_country /usr/local/share/GeoIP/GeoIP.dat;
+  geoip_city /usr/local/share/GeoIP/GeoLiteCity.dat;
 }

files/default/upstream.conf

@@ -1,7 +1,7 @@
 server {
   listen 80;
 
-  listen 443 ssl deferred;
+  listen 443 ssl spdy deferred;
   ssl_certificate /etc/nginx/ssl.crt;
   ssl_certificate_key /etc/nginx/ssl.key;
 
@@ -25,6 +25,10 @@ server {
     # Send some additional headers over.
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_set_header X-Country-Code $geoip_city_country_code;
+    proxy_set_header X-Country-Code-3 $geoip_city_country_code3;
+    proxy_set_header X-City $geoip_city;
     # Gzip proxied content.
     gzip on;
     gzip_disable "msie6";