FROM node:slim
RUN mkdir /app
WORKDIR /app
ONBUILD COPY ./package.json /app
ONBUILD RUN [ "npm", "install" ]
ONBUILD COPY . /app/
ONBUILD ENV key1=value1 key2=value2
ONBUILD ENV key3 value3
ONBUILD ADD --chown=1 . /app/src
CMD [ "npm", "start" ]
