Base image security issues

[ryckowski]

This is a...

[ ] Feature request
[ ] Regression (a behavior that used to work and stopped working in a new release)
[x] Bug report  
[ ] Documentation issue or request

Description

I've uploaded images to quay.io. Its security scanner display many security warnings. Here is one for syndesis-meta image

[zregvart]

I think we should use a base image with smaller footprint. I'm subjective on the matter perhaps ubi-minimal?

[stale[bot]]

This issue has been automatically marked as stale because it has not had any activity since 90 days. It will be closed if no further activity occurs within 7 days. Thank you for your contributions!

[zregvart]

#9804 introduces using ubi8/openjdk-8 for Java applications and built integrations.