Merge branch '1212-make-metager-pods-shutdown-gracefully' into 'development'

.gitlab-ci.yml

.gitlab/ci/build_docker_images.yml

.gitlab/ci/deploy.yml

.gitlab/deployment_scripts/cleanup_tags_non_revision.sh

.gitlab/deployment_scripts/cleanup_tags_revision.sh

.gitlab/deployment_scripts/delete_deployment.sh

.gitlab/deployment_scripts/update_deployment.sh

build/fpm/entrypoint/entrypoint_development.sh

build/fpm/entrypoint/entrypoint_production.sh

build/node/Dockerfile

build/redis/Dockerfile

build/redis/docker-entrypoint.sh

chart/templates/_helpers.tpl

chart/templates/deployment.yaml

chart/values.yaml

docker-compose.yml

metager/app/Console/Commands/FPMGracefulStop.php

metager/app/Console/Commands/RequestFetcher.php

metager/app/Console/Commands/ScheduleWorker.php

metager/app/Http/Controllers/AdminInterface.php