Merge branch 'staging' into ingestor_test

docker-compose.vhr18.yml

documentation/operator-guide/access.rst

documentation/operator-guide/configuration.rst

documentation/operator-guide/ingestion.rst

env/dem_redis.env

env/emg_redis.env

env/vhr18_redis.env

ingestor/Dockerfile

preprocessor/Dockerfile

preprocessor/preprocessor/cli.py

preprocessor/preprocessor/config-schema.yaml

preprocessor/preprocessor/daemon.py

preprocessor/preprocessor/exceptions.py

preprocessor/preprocessor/preprocess.py

preprocessor/preprocessor/steps/calc.py

preprocessor/preprocessor/steps/georeference.py

preprocessor/preprocessor/steps/output.py

preprocessor/preprocessor/steps/stack.py

preprocessor/preprocessor/steps/subdataset.py

preprocessor/preprocessor/util.py