Health check failed due to user error from customized path of the container. System will retry.
MIN_INSTANCES_NOT_PROVISIONED
A revision with min_instance_count > 0 was created and is reserved, but it was not configured to serve traffic, so it's not live. This can also happen momentarily during traffic migration.
ACTIVE_REVISION_LIMIT_REACHED
The maximum allowed number of active revisions has been reached.
NO_DEPLOYMENT
There was no deployment defined. This value is no longer used, but Services created in older versions of the API might contain this value.
HEALTH_CHECK_SKIPPED
A revision's container has no port specified since the revision is of a manually scaled service with 0 instance count
MIN_INSTANCES_WARMING
A revision with min_instance_count > 0 was created and is waiting for enough instances to begin a traffic migration.