xip.io style vhosts with tests. closes #1005

plugins/nginx-vhosts/bind-external-ip

@@ -19,6 +19,12 @@ RE_IPV6="${RE_IPV6}fe08:(:[0-9a-fA-F]{1,4}){2,2}%[0-9a-zA-Z]{1,}|"     # TEST: f
 RE_IPV6="${RE_IPV6}::(ffff(:0{1,4}){0,1}:){0,1}${RE_IPV4}|"            # TEST: ::255.255.255.255   ::ffff:255.255.255.255  ::ffff:0:255.255.255.255 (IPv4-mapped IPv6 addresses and IPv4-translated addresses)
 RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,4}:${RE_IPV4}"                # TEST: 2001:db8:3:4::192.0.2.33  64:ff9b::192.0.2.33
 
+
+# Ensure the ip address continues to the end of the line
+# Fixes using a wildcard dns service such as xip.io which allows for *.<ip address>.xip.io
+RE_IPV4="${RE_IPV4}\$"
+RE_IPV6="${RE_IPV6}\$"
+
 [[ -f "$DOKKU_ROOT/VHOST" ]] && GLOBAL_VHOST=$(< "$DOKKU_ROOT/VHOST")
 
 if [[ -n "$NO_VHOST" ]]; then