nginx

# веста панель с nginx и apache.

server {
    listen      127.0.0.1:80;
    server_name youimgsite.com www.youimgsite.com;
    error_log  /var/log/httpd/domains/youimgsite.com.error.log error;

# начало важных настроек:
    location / {
        proxy_pass      http://127.0.0.1:8080;

    }
# нужно наличие модуля: with-http_image_filter_module
# большая ютуб картинка:
location ~ ^/images/([0-9a-zA-Z\-\_]+)\.jpeg {
    resolver 8.8.8.8;
    proxy_pass https://i.ytimg.com/vi/$1/maxresdefault.jpg;
    proxy_intercept_errors on;
    error_page 404 @tosmall;
    proxy_read_timeout 3;
    proxy_set_header Host i.ytimg.com;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header realip $remote_addr;
#    image_filter test;
#    image_filter_buffer 1M;
#    image_filter_jpeg_quality 85;
    expires 1y;
    add_header Cache-Control "public";
}

# если нету большой - редирект на маленькую:
location @tosmall {
rewrite ^/images/(.*).jpeg$ /thumbs/$1.jpeg permanent;
}
# маленькая ютуб картинка:
location ~ ^/thumbs/([0-9a-zA-Z\-\_]+)\.jpeg {
    resolver 8.8.8.8;
    proxy_pass https://i.ytimg.com/vi/$1/hqdefault.jpg;
    proxy_read_timeout 3;
    proxy_set_header Host i.ytimg.com;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header realip $remote_addr;
#    image_filter test;
#    image_filter_buffer 1M;
#    image_filter_jpeg_quality 85;
    expires 1y;
    add_header Cache-Control "public";
}
# конец важных настроек.

    location ~ /\.ht    {return 404;}
    location ~ /\.svn/  {return 404;}
    location ~ /\.git/  {return 404;}
    location ~ /\.hg/   {return 404;}
    location ~ /\.bzr/  {return 404;}

    include /home/admin/conf/web/nginx.youimgsite.com.conf*;
}