log_format json escape=json '{"time":"$time_iso8601",'
'"host":"$remote_addr",'
'"port":$remote_port,'
'"method":"$request_method",'
'"uri":"$request_uri",'
'"status":"$status",'
'"body_bytes":$body_bytes_sent,'
'"referer":"$http_referer",'
'"ua":"$http_user_agent",'
'"request_time":"$request_time",'
'"response_time":"$upstream_response_time"}';
access_log /var/log/nginx/access.log json;