healthcheck route

js/fox.js

@@ -61,7 +61,7 @@ var Fox = function (IMG_WIDTH, IMG_HEIGHT, seed) {
       height: eyeHeight,
       width: eyeHeight/2,
       style: 'ellipse',
-      //style: chance.pickone(['ellipse', 'smiley']),
+      // style: chance.pickone(['ellipse', 'smiley']),
       left: {
         x: origin.x + (headWidth/2) - offsetX,
         y: origin.y + (headHeight/2) + offsetY

server.js

@@ -51,6 +51,10 @@ app.get('/', function(req, res) {
     res.end(buffer, 'binary');
 });
 
+app.get('/healthcheck', function(req, res) {
+  res.status(200).end();
+});
+
 app.get('/:width', function(req, res) {
     var width = parseInt(req.params.width) || 400;
     var seed = uuid();