2.Dockerfile

FROM node:12-slim

ENV TINI_VERSION v0.18.0
ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
RUN chmod +x /tini
ENTRYPOINT ["/tini", "--"]

EXPOSE 3000

RUN mkdir /app && chown -R node:node /app

WORKDIR /app

USER node

COPY --chown=node:node package.json package-lock*.json ./

RUN npm install && npm cache clean --force

COPY --chown=node:node . .

CMD ["node", "./bin/www"]