Update nginx.conf

nginx/nginx.conf

@@ -1,5 +1,6 @@
 user www-data;
 worker_processes auto;
+worker_rlimit_nofile 8192;
 pid /run/nginx.pid;
 include /etc/nginx/modules-enabled/*.conf;
 
@@ -13,13 +14,14 @@ http {
         ##
         # Basic Settings
         ##
-
+        charset utf-8;
         sendfile on;
         tcp_nopush on;
         tcp_nodelay on;
         keepalive_timeout 65;
         types_hash_max_size 2048;
         server_tokens off;
+        log_not_found off;
 
         server_names_hash_bucket_size 64;
         server_name_in_redirect off;
@@ -27,28 +29,6 @@ http {
         include /etc/nginx/mime.types;
         default_type application/octet-stream;
 
-        # Optional mapping rules
-        #map $sent_http_content_type $content_security_policy {
-        #  ~*text/(html|javascript)|application/pdf|xml "default-src 'self'; base-uri 'none'; form-action 'self'; frame-ancestors 'none'; upgrade-insecure-requests";
-        #}
-        
-        #map $sent_http_content_type $referrer_policy {
-        #  ~*text/(css|html|javascript)|application\/pdf|xml "strict-origin-when-cross-origin";
-        #}
-        
-        #map $sent_http_content_type $cors {
-        #Images
-        #  ~*image/ "*";
-
-        #Web fonts
-        #  ~*font/                         "*";
-        #  ~*application/vnd.ms-fontobject "*";
-        #  ~*application/x-font-ttf        "*";
-        #  ~*application/font-woff         "*";
-        #  ~*application/x-font-woff       "*";
-        #  ~*application/font-woff2        "*";
-        #}
-
         ##
         # SSL Settings
         ##
@@ -77,6 +57,12 @@ http {
         gzip_http_version 1.1;
         gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
 
+        map $http_upgrade $connection_upgrade {
+                default upgrade;
+                ""      close;
+        }
+        
+
         ##
         # Virtual Host Configs
         ##