Here is the output of docker ps:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 073ecf209106 maxking/mailman-web:0.1 "docker-entrypoint..." 27 hours ago Up 27 hours 8000/tcp, 8080/tcp mailman-web aef8f44a7136 maxking/mailman-core:0.1 "docker-entrypoint..." 27 hours ago Up 27 hours 8001/tcp, 8024/tcp mailman-core 398e3fc05e2c postgres:9.6-alpine "docker-entrypoint..." 27 hours ago Restarting (1) 12 hours ago dockermailman_database_1
There is no logs directory at all:
cd /opt/mailman/web/logs -bash: cd: /opt/mailman/web/logs: No such file or directory