Tune nginx.conf for perf improvement

roles/nginx/files/nginx.conf

@@ -4,7 +4,7 @@ pid /var/run/nginx.pid;
 
 events {
   ###
-  # good overall speed on RPi with this setting
+  # good overall speed
   worker_connections 1536;
 
   ###
@@ -20,35 +20,44 @@ http {
   ##
   # Basic Settings
   ##
-
-
   server_names_hash_bucket_size 64;
 
   include /etc/nginx/mime.types;
   default_type application/octet-stream;
 
   ###
   # Speed up landing page by caching open file descriptors
-  open_file_cache max=2048;
-
+  ##
+  open_file_cache          max=2000 inactive=20s;
+  open_file_cache_valid    60s;
+  open_file_cache_min_uses 5;
+  open_file_cache_errors   off;
+
   ##
   # Logging Settings
-  # don't log, we don't need to know normally
-  #access_log off;
-  #error_log off;
+  ##
   access_log /var/log/nginx/access.log;
   error_log /var/log/nginx/error.log;
 
   ##
   # Gzip Settings
   ##
-
-  gzip off;
-  gzip_disable "msie6";
-
+  gzip  on;
+  gzip_vary on;
+  gzip_min_length 10240;
+  gzip_proxied expired no-cache no-store private auth;
+  gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml;
+  gzip_disable "MSIE [1-6]\.";
+
   include /etc/nginx/conf.d/*.conf;
   include /etc/nginx/sites-enabled/*;
-
+
+  ##
+  # Buffer Settings
+  ##  
   client_max_body_size 700m;
   client_body_timeout 500s;
+  client_body_buffer_size 10K;
+  client_header_buffer_size 1k;
+  large_client_header_buffers 2 1k;
 }