/var/log/nginx/*.log {
    compress
    dateext
    maxage 365
    rotate 99
    size=+4096k
    missingok
    notifempty
    create 644 root root
    postrotate
      # -s reopen will use the pid file passed in the config file or the compiled in default path
      /usr/sbin/nginx -s reopen
    endscript  
}