$ /build/build.sh Logging to GitLab Container Registry with CI credentials... WARNING! Using --password via the CLI is insecure. Use --password-stdin. Error response from daemon: Get https://registry-1.docker.io/v2/: unauthorized: incorrect username or password Building Heroku-based application using gliderlabs/herokuish docker image... invalid argument "/master:5f2567e83f7c7ad239dc7b941cd1168f859f9de5" for "-t, --tag" flag: invalid reference format See 'docker build --help'. invalid reference format ERROR: Job failed: exit code 1