Docker entrypoint example for node.js

docker-entrypoint.sh

#!/bin/sh
NODE_ENV=${NODE_ENV:-production}

set -eux
if [ "$NODE_ENV" != 'production' ]; then
    #yarn install --pure-lockfile
    #npm install
    # see https://docs.npmjs.com/cli/ci 
    npm ci
fi

exec "$@"

Dockerfile

FROM node:${NODE_VERSION}-alpine

WORKDIR /app

ENV PATH /app/node_modules/.bin:$PATH

#COPY package.json yarn.lock ./
COPY package*.json ./

#RUN yarn install --pure-lockfile
RUN npm ci

COPY . ./

COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint
RUN chmod +x /usr/local/bin/docker-entrypoint

ENTRYPOINT ["docker-entrypoint"]

#CMD ["yarn", "start"]
CMD ["npm", "start"]