soft link to STDOUT, STDERR to collect log

RUN ln -sf /dev/stdout /var/log/nginx/access.log

mount bind space to collect log

--mount type=bind,src=/opt/logs, dst=/usr/local/tomcat/logs/

mount volume to collect log

--mount type=volume src=volume_name dst=/use/local/tomcat/logs/

use redis/mq to collect log

docker→ redis/mq→ logstash → elasticsearch