# Enviroment Variables

Environment Variable	Description	Example Value
SLEEP\_TIME	Time interval between update checks (default: 5 minutes)	5m
IGNORELIST\_SERVICES	Space-separated list of services to ignore during updates	shepherd my-other-service
FILTER\_SERVICES	Filter for specifying services to update (matches docker service ls filter)	label=com.mydomain.autodeploy
ROLLBACK\_ON\_FAILURE	Roll back a service to the previous version if an update fails	true
UPDATE\_OPTIONS	Additional options for the docker service update command	--update-delay=30s
TIMEOUT	Timeout for the docker service update process (default: 5 minutes)	300
APPRISE\_SIDECAR\_URL	URL for the Apprise sidecar service to enable update notifications	apprise-microservice:5000
IMAGE\_AUTOCLEAN\_LIMIT	Enable old image autocleaning on service update	5
RUN\_ONCE\_AND\_EXIT	Run Shepherd once and then exit	true
WITH\_REGISTRY\_AUTH	Enable private registry authentication	true
REGISTRY\_USER / REGISTRY\_PASSWORD	Credentials for private registry authentication	user123 / secret\_password
REGISTRIES\_FILE	Path to the secret file containing multiple registry authentication entries	/var/run/secrets/shepherd-registries-auth
WITH\_INSECURE\_REGISTRY	Enable connection to an insecure private registry	true
WITH\_NO\_RESOLVE\_IMAGE	Prevent pulling images from the registry	true
TZ	Set the timezone for log entries	Europe/Zurich