FROM node:9.4.0 MAINTAINER SamR1@users.noreply.github.com # set working directory RUN mkdir /usr/src/app WORKDIR /usr/src/app # add `/usr/src/app/node_modules/.bin` to $PATH ENV PATH /usr/src/app/node_modules/.bin:$PATH # add environment variables ARG REACT_APP_API_URL ARG NODE_ENV ENV NODE_ENV $NODE_ENV ENV REACT_APP_API_URL $REACT_APP_API_URL # install and cache app dependencies COPY package.json /usr/src/app/package.json RUN yarn install --silent RUN yarn global add react-scripts # add app COPY . /usr/src/app/ # start app CMD yarn start