nginx-logs-json.conf

http {
   log_format main escape=json '{'
            '"timestamp":"$time_local",'
            '"remote_addr":"$remote_addr",'
            '"request":"$request",'
            '"request_method":"$request_method",'
            '"request_uri":"$request_uri",'
            '"status_code":"$status",'
            '"http_user_agent":"$http_user_agent",'
            '"http_x_forwarded_for":"$http_x_forwarded_for",'
            '"http_referer":"$http_referer",'
            '"remote_user":"$remote_user",'
            '"scheme":"$scheme"'
        '}';
    access_log /dev/stdout main;
    error_log /dev/stderr error;
    .
    .
    .
}