4.2. Support for Red Hat OpenShift Container Platform 3.x
From Red Hat Decision Manager version 7.5, images and templates for Red Hat OpenShift Container Platform 3.x are deprecated. The deprecated images and templates are not supported with new features but remain available until the end of Red Hat OpenShift Container Platform version 3.x support. For more information about the full support lifecycle phase for Red Hat OpenShift Container Platform version 3.x, see Red Hat OpenShift Container Platform Life Cycle Policy (non-current versions).
Consider deploying Red Hat Decision Manager using the operator on Red Hat OpenShift Container Platform 4.x.