Merge branch 'master' into docker-secrets

.gitlab-ci.yml

README.md

cache/configure.sh

config/dem_preprocessor-config.yml

config/dem_sftp_users.conf

config/emg_init-db.sh

config/emg_preprocessor-config.yml

config/emg_sftp_users.conf

config/vhr18_preprocessor-config.yml

config/vhr18_sftp_users.conf

core/Dockerfile

core/configure.sh

core/entrypoint.sh

core/initialized.sh

core/registrar.py

core/run-httpd.sh

core/run-registrar.sh

core/wait-initialized.sh

docker-compose.dem.dev.yml

docker-compose.dem.yml