example node.js production Dockerfile

Dockerfile

FROM node:14.4

RUN DEBIAN_FRONTEND=noninteractive apt-get update -y \
 && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends -o APT::Install-Suggests=0 -o APT::Install-Recommends=0 \
      ca-certificates \
 && rm -rf /var/lib/apt/lists/* \
 && mkdir -p /app \
 && chown node:node /app

ENV NODE_ENV production

USER node:node

WORKDIR /app

# try and use the cache of existing previous version builds
COPY --chown=node:node package*json /app/
RUN npm i --no-optional --no-audit --only=production

COPY --chown=node:node . /app/


CMD /bin/sh -c "node --version && exec npm run start"