above, 'url_base' could include a "%s" to indicate where 'region' would be plugged in: ec2 url_base: %s.ec2.amazonaws.com my-uec url_base: my-uec.example.com/%s
above, 'url_base' could include a "%s" to indicate where 'region' would be plugged in: amazonaws. com example. com/%s
ec2 url_base: %s.ec2.
my-uec url_base: my-uec.