FROM node:12 # Create app directory WORKDIR /usr/src/app # Install app dependencies # A wildcard is used to ensure both package.json AND package-lock.json are copied # where available (npm@5+) COPY package*.json ./ # RUN npm install # If you are building your code for production RUN npm ci --only=production # Bundle app source COPY . . EXPOSE 8080 CMD [ "npm", "start"]