This solution is intended to test VES messages with different format versions.
define within '.env' file
EXT_VES_PORT=30007 VES_API=7 VES_FORMAT_FILE=CommonEventFormat_30.1_ONAP.json LOCAL_VES_MOUNT=/var/tmp/ves-v7
this would mean:
docker-compose up -d cd /var/tmp/ves-v7/logs tail -f evel-output.log