str
Required. The URI of the HTTP endpoint.
The value must be a RFC2396 URI string. Examples:
http://10.10.10.8:80/route,
http://svc.us-central1.p.local:8080/. Only HTTP and
HTTPS protocols are supported. The host can be either a
static IP addressable from the VPC specified by the network
config, or an internal DNS hostname of the service
resolvable via Cloud DNS.