/var/log/docfast*.log {
    weekly
    rotate 4
    compress
    delaycompress
    missingok
    notifempty
    create 644 root root
    postrotate
        # Send USR1 signal to dockerized apps to reopen log files
        /bin/kill -USR1 $(cat /var/run/docker.pid 2>/dev/null) 2>/dev/null || true
    endscript
}