Go to https://data.nantesmetropole.fr/explore/dataset/244400404_tan-arrets-horaires-circuits/export/
Download GTFS-TAN.zip
$> mv GTFS-TAN.zip data/nantes/ARRETS_HORAIRES_CIRCUITS_TAN_2018_2019_gtfs.zip
Push new version and wait for build and deploy on server
docker run -p 80:8080 -p 443:8081 -d --restart always gcr.io/k8s-aksels/github-takaapp-gtfs-server:vX.X