Dockerize everything! ^_^

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:5.11.1
+
+RUN mkdir /app
+WORKDIR /app
+COPY package.json /app/
+RUN npm install
+COPY . /app
+
+ENV PORT=80
+EXPOSE $PORT
+CMD ["npm", "start"]

docker-compose.yml

@@ -0,0 +1,8 @@
+version: "2"
+services:
+  heartbit:
+    build: .
+    volumes:
+      - ./:/app
+    ports:
+      - "3000:80"

package.json

@@ -12,8 +12,11 @@
     "mocha": ">= 0.0.0",
     "should": ">= 0.0.0"
   },
+  "scripts": {
+    "start": "coffee server.coffee"
+  },
   "engines": {
-    "node": "0.8.x",
-    "npm": "1.x.x"
+    "node": "5.x.x",
+    "npm": "3.x.x"
   }
 }