added dockerfile

Dockerfile

+FROM node
+MAINTAINER Motion Bank
+
+WORKDIR /app
+COPY . .
+RUN npm install --production
+
+EXPOSE 3030
+CMD ["node", "src"]

package.json

 {
   "name": "api-minimal",
-  "version": "0.0.0",
-  "description": "",
-  "main": "index.js",
+  "version": "0.0.1",
+  "description": "A minimalist version of the Motion Bank API",
+  "main": "src/index.js",
   "scripts": {
+    "start": "node src",
     "lint": "eslint src/. --config .eslintrc.js",
     "metapak": "metapak",
     "test": "echo \"Error: no test specified\" && exit 1"