/
). The name
segment is required and must be 63 characters or less, beginning and ending with an alphanumeric character
([a-z0-9A-Z]
) with dashes (-
), underscores (_
), dots (.
), and
alphanumerics between. The prefix is optional. If specified, the prefix must be a DNS subdomain: a series of DNS
labels separated by dots (.
), not longer than 253 characters in total, followed by a slash (/
).