Merge branch 'orch-23-refactor-gfz-staging-deplyoment' into 'master'

.gitlab-ci.yml

docker-compose-gfz-local-with-staging-vm.yml

docker/deployment/gfz/Dockerfile

docker/deployment/gfz/staging/default.conf

docker/deployment/gfz/staging/docker-compose.yml

docker/deployment/gfz/staging8080/default.conf

docker/deployment/gfz/staging8080/docker-compose.yml