MySQL container images based on Red Hat Software Collections and intended for OpenShift and general usage. Users can choose between Red Hat Enterprise Linux, Fedora, and CentOS based images.
For more information see
https://docs.openshift.com/container-platform/4.12/applications/deployments/what-deployments-are.html
Since OpenShift 4.14 DeploymentConfigs are deprecated. https://access.redhat.com/articles/7041372
Migrate from DeploymentConfigs to Deployment