Dockerfile

FROM node:erbium-alpine
WORKDIR /usr/app

COPY package*.json ./

RUN npm install \
    && chown -R node:node node_modules \
    && chmod -R o+rw node_modules

EXPOSE 3333

ENV DOCS_LOCATION=/usr/src/app/tempdocuments
ARG COMMAND

USER node
ENTRYPOINT [ "npm", "run" ]
CMD [ "start" ]