Dockerfile
FROM node:6.9.5-slim
# Create app directory
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
# Install app dependencies
RUN npm install --global yarn
COPY package.json yarn.lock /usr/src/app/
RUN yarn --production
# Bundle app source
COPY . /usr/src/app/
EXPOSE 8080
CMD [ "yarn", "start" ]