docker build -t rsyslog -f Dockerfile.rsyslog .
docker-compose build --no-cache
docker-compose up -d
for logger-1: tail -f /var/syslog/hosts/logger-1/<year>/<month>/<day>/syslog.log
for logger-2: tail -f /var/syslog/hosts/logger-2/<year>/<month>/<day>/syslog.log
replace <year>/<month>/<day>
with something like 2018/10/02