* new Dockerfile, new cache * typo * test build with cache * Update .gitlab-ci.yml Co-Authored-By: TriplEight <denis.pisarev@parity.io> * Update .gitlab-ci.yml Co-Authored-By: TriplEight <denis.pisarev@parity.io> * Update .gitlab-ci.yml Co-Authored-By: TriplEight <denis.pisarev@parity.io> * cleanup * done * cosmetics * removed unneded lines