Helmfile with gcloud authenticator
Building new image:
docker build -t europe-docker.pkg.dev/<project name>/docker-images/helmfile-gcloud-docker:2.0.0 .
docker push europe-docker.pkg.dev/<project name>/docker-images/helmfile-gcloud-docker:2.0.0
DO NOT FORGET TO INCREASE IMAGE TAG!!!
This process will be automated in the future.