webrtc error with mime.lookup
use mime-type instead of mime. So, Install mime-types first: npm install mime-types then make change in your code: var mime=require('mime-types');
I'm having the same issue with step 4.
You can changing the node-static version from 0.7.7
to 0.7.10
in package.json and rerunning npm install
"dependencies": {
"node-static": "0.7.10",
"socket.io": "1.2.0" }
if you have a folder "node modules" in your root directory,delete that and type npm cache clear
and then type npm install
.this should work fine