It will work online for everyone to see as well. You have to put your PUBLIC IP ADDRESS there in the httpd.conf file, as I have written in the blog too.
Then if you are on a home router you have to set DMZ to your PRIVATE IP or allow port forwarding on port 80 to your PRIVATE IP to let inbound connects talk to your device.

I'll be uploading a video tutorial for the same soon...I'll let you know.