FROM node:6.9 MAINTAINER Paris Kasidiaris # Set the working directory WORKDIR /usr/src/app # Set an entrypoint, to automatically install node modules ENTRYPOINT ["/bin/bash", "-c", "if [[ ! -d node_modules ]]; then npm install; fi; exec \"${@:0}\";"] CMD ["npm", "run", "dev"] # First, install dependencies to improve layer caching COPY package.json /usr/src/app/ RUN npm install # Add the code COPY . /usr/src/app # Run the tests and build, to make sure everything is working nicely RUN npm run build && npm run test