openssl req -x509 -newkey rsa:4096 -keyout proftpd.key -out proftpd.crt -nodes -days 365 -nodes -subj '/CN=cacert/C=FI/ST=Helsinki/L=Helsinki/O=ProFTPD' -text
chmod 0600 proftpd.key && chmod 0640 proftpd.crtmkdir ftpuser
sudo chown 1000:nogroup ftpuser # you may want to use your debian user name instead of 1000, nogroup should be 65534or let docker-compose up create it and then change the owner sudo chown 1000:nogroup -R ./ftpuser
docker-compose up -dkill -HUP 1 # from within the running instance
docker exec -ti debian_proftpd bash -c 'kill -HUP 1'connect ftpuser:password@localhost
set ssl:verify-certificate no