Add mimetypes to be gzipped based on CloudFlare

config/nginx.conf

@@ -8,6 +8,7 @@ events {
 
 http {
     include mime.types;
+    # Threat files with a unknown filetype as binary
     default_type application/octet-stream;
 
     # Define custom log format to include reponse times
@@ -28,15 +29,16 @@ http {
     uwsgi_temp_path /tmp/uwsgi_temp;
     scgi_temp_path /tmp/scgi_temp;
 
-    # Hardening
+    # Hide headers that identify the server to prevent information leakage
     proxy_hide_header X-Powered-By;
     fastcgi_hide_header X-Powered-By;
     server_tokens off;
 
     # Enable gzip compression by default
     gzip on;
     gzip_proxied any;
-    gzip_types text/plain application/xml text/css text/js text/xml application/x-javascript text/javascript application/json application/xml+rss;
+    # Based on CloudFlare's recommended settings
+    gzip_types text/richtext text/plain text/css text/x-script text/x-component text/x-java-source text/x-markdown application/javascript application/x-javascript text/javascript text/js image/x-icon image/vnd.microsoft.icon application/x-perl application/x-httpd-cgi text/xml application/xml application/rss+xml application/vnd.api+json application/x-protobuf application/json multipart/bag multipart/mixed application/xhtml+xml font/ttf font/otf font/x-woff image/svg+xml application/vnd.ms-fontobject application/ttf application/x-ttf application/otf application/x-otf application/truetype application/opentype application/x-opentype application/font-woff application/eot application/font application/font-sfnt application/wasm application/javascript-binast application/manifest+json application/ld+json application/graphql+json application/geo+json;
     gzip_vary on;
     gzip_disable "msie6";