Default DOMAIN_NAME is iankelling.org. Domain is expected to resolve
so we can get a let's encrypt cert.
--p PORT Apache port, default is *:443.
+-p PORT Apache port, default is 443.
-h|--help Print help and exit.
Note: Uses GNU getopt options parsing style
##### begin command line parsing ########
-port="*:443"
+port=443
temp=$(getopt -l help, p:h "$@") || usage 1
eval set -- "$temp"
while true; do