# syntax=docker/dockerfile:1.4 # if you're doing anything beyond your local machine, please pin this to a specific version at https://hub.docker.com/_/node/ FROM node:lts AS development # set our node environment, either development or production # defaults to production, compose overrides this to development on build and run ARG NODE_ENV=production ENV NODE_ENV $NODE_ENV WORKDIR /code # default to port 80 for node, and 9229 and 9230 (tests) for debug ARG PORT=80 ENV PORT $PORT EXPOSE $PORT 9229 9230 COPY package.json /code/package.json COPY package-lock.json /code/package-lock.json RUN npm ci # check every 30s to ensure this service returns HTTP 200 HEALTHCHECK --interval=30s \ CMD node healthcheck.js # copy in our source code last, as it changes the most COPY . /code # if you want to use npm start instead, then use `docker run --init in production` # so that signals are passed properly. Note the code in index.js is needed to catch Docker signals # using node here is still more graceful stopping then npm with --init afaik # I still can't come up with a good production way to run with npm and graceful shutdown CMD [ "node", "src/index.js" ] FROM development as dev-envs RUN <<EOF apt-get update apt-get install -y --no-install-recommends git EOF RUN <<EOF useradd -s /bin/bash -m vscode groupadd docker usermod -aG docker vscode EOF # install Docker tools (cli, buildx, compose) COPY --from=gloursdocker/docker / /