registry added

registry/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "registry-microservice",
+  "author": "Bruno Bossola",
+  "private": true,
+  "dependencies": {
+    "express": "^4.13.3"
+  }
+}

registry/registry.js

@@ -0,0 +1,43 @@
+var express = require("express");  
+var app = express();  
+
+var registry = []
+
+app.post("/:name/:port", function(request, response) {  
+	var name = request.params.name
+	var port = request.params.port
+    var ports = registry[name]
+    if (isNaN(ports)) {
+    	ports=[]
+    }
+    ports.push(port)
+    registry[name] = ports
+
+    response.status(201);
+    response.json({
+        "name": name,
+        "ports": ports
+    });    
+});
+
+app.get("/:name", function(request, response) {  
+	var name = request.params.name
+    var ports = registry[name]
+    if (isNaN(ports)) {
+        response.status(404);
+        response.json({
+	        "name": name,
+            "error": "Service "+name+" not found!"
+        });
+        return;
+    }   
+
+    response.json({
+        "name": name,
+        "port": ports[0]
+    });
+});
+
+app.listen(3000, function() {                       
+    console.log("Registry service started on port 3000");
+});