Updated README

1 job for master in 30 minutes and 53 seconds (queued for 5 seconds)
Name Stage Failure
Build docker image Build
 ---> cba7bd6ea5ca
[Warning] One or more build-args [VCS_REF VCS_TAG VCS_URL] were not consumed
Successfully built cba7bd6ea5ca
Successfully tagged registry.ethz.ch/laweb/laweb:411a7f191ea09ff0f36a0364364d932e7e472264
$ docker push $CI_REGISTRY_IMAGE:latest
The push refers to repository [registry.ethz.ch/laweb/laweb]
tag does not exist: registry.ethz.ch/laweb/laweb:latest
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1