Nginx cache config

nginx.conf

# Media: images, icons, video, audio, HTC
location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc|woff|woff2|css|js)$ {
    expires 30d;
    access_log off;
    add_header Pragma public;
    add_header Cache-Control "public";
}

# cache.appcache, your document html and data
location ~* \.(?:manifest|appcache|html?|xml|json)$ {
    expires -1;
    # access_log logs/static.log; # I don't usually include a static log
}