+ ACME:
+ # Obtain certificates automatically for ExternalURL domains
+ # using an ACME server and http-01 validation.
+ #
+ # To use Let's Encrypt, specify "LE". To use the Let's
+ # Encrypt staging environment, specify "LE-staging". To use a
+ # different ACME server, specify the full directory URL
+ # ("https://...").
+ #
+ # Note: this feature is not yet implemented in released
+ # versions, only in the alpha/prerelease arvados-server-easy
+ # package.
+ #
+ # Implies agreement with the server's terms of service.
+ Server: ""
+