Fixes some problems with the Dockerfile.

Author: MicahZoltu

Dockerfile

@@ -1,12 +1,14 @@
 FROM node:6
 
 COPY package.json /app/package.json
+WORKDIR /app
 RUN npm install
 
+COPY tsconfig.json /app/tsconfig.json
 COPY source/ /app/source/
 COPY tests/ /app/tests/
-WORKDIR /app
+COPY typings/ /app/typings/
 
 RUN npm run build
 
-ENTRYPOINT [ "npm", "run", "test" ]
+ENTRYPOINT [ "npm", "test" ]