{
 "schemaVersion" :2 ,
 "dockerfileLines": [
     "FROM node:dubnium-jessie",
     "RUN mkdir -p /usr/src/app",
     "WORKDIR /usr/src/app",
     "COPY ./package.json /usr/src/app/",
     "RUN npm install && npm cache clean --force",
     "COPY ./ /usr/src/app",
     "ENV NODE_ENV production",
     "ENV PORT 8000",
     "EXPOSE 8000",
     "CMD [ \"npm\", \"start\" ]"
 ]
}