diff --git a/README.md b/README.md
index 2e7ea10b4..5b68e1dcd 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,23 @@ Copy config.template.js to config.js and edit to suit your needs. (Defaults to
 public PeerJS and Insight servers)
 
 Then execute these commands:
-
 ```
 npm install
 bower install
 grunt --target=dev shell
+node app.js
 ```
 
-Then open index.html in your browser.
+To run on a different port:
+```
+PORT=3001 node app.js
+```
+
+To open up five different instances to test 3-of-5 multisig with yourself, then run this in 5 different terminals:
+```
+PORT=3001 node app.js
+PORT=3002 node app.js
+PORT=3003 node app.js
+PORT=3004 node app.js
+PORT=3005 node app.js
+```
diff --git a/app.js b/app.js
new file mode 100644
index 000000000..543f33e01
--- /dev/null
+++ b/app.js
@@ -0,0 +1,12 @@
+var express=require("express");
+var http=require("http");
+
+var app=express();
+
+var port = process.env.PORT || 3000;
+app.set("port", port);
+app.use(express.static(__dirname));
+
+app.listen(port, function(){
+  console.log("Listening at: http://localhost:" + port);
+});
diff --git a/package.json b/package.json
index 99b94e0ee..3e3eb6eb7 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
   },
   "homepage": "https://github.com/bitpay/copay",
   "devDependencies": {
+    "express": "4.0.0",
     "grunt-contrib-watch": "~0.5.3",
     "grunt-mocha-test": "~0.8.2",
     "grunt-shell": "~0.6.4",