Draft: Reduce gitlab-qa image size and update docker version
What does this MR do and why?
Describe in detail what your merge request does and why.
- Update base image to
slim
version to reduce size (2.19gb to 1.85Gb) - Update heavily outdated docker engine version
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
-
I have evaluated the MR acceptance checklist for this MR.