With latest image docker-registry.upshift.redhat.com/kwills/eap-cd-openshift-rhel8:18.0-EAP7-1216 digest: sha256:a65337b39f0b84f803bd3f8561c2ac937bab316a7de2df50e3afe72f90906020 size: 951 it is not possible to install more than one JDBC driver within S2I process. There is a bug in /opt/jboss/container/wildfly/s2i/install-common/install-common.sh, the /opt/eap/bin/launch/drivers.cli is always overwritten.

It should be enough to fix this line https://github.com/wildfly/wildfly-cekit-modules/blob/master/jboss/container/wildfly/s2i/bash/artifacts/opt/jboss/container/wildfly/s2i/install-common/install-common.sh#L109