# Specify the Node.js version to use ARG NODE_VERSION=21 # Specify the Debian version to use, the default is "bullseye" ARG DEBIAN_VERSION=bullseye # Use Node.js Docker image as the base image, with specific Node and Debian versions FROM node:${NODE_VERSION}-${DEBIAN_VERSION} AS build # Set the container's default shell to Bash and enable some options SHELL ["/bin/bash", "-euo", "pipefail", "-c"] # Install Chromium browser and Download and verify Google Chrome’s signing key RUN apt-get update -qq --fix-missing && \ apt-get -qqy install --allow-unauthenticated gnupg wget && \ wget --quiet --output-document=- https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor > /etc/apt/trusted.gpg.d/google-archive.gpg && \ echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google.list && \ apt-get update -qq && \ apt-get -qqy --no-install-recommends install chromium traceroute python make g++ && \ rm -rf /var/lib/apt/lists/* # Run the Chromium browser's version command and redirect its output to the /etc/chromium-version file RUN /usr/bin/chromium --no-sandbox --version > /etc/chromium-version # Set the working directory to /app WORKDIR /app # Copy package.json and yarn.lock to the working directory COPY package.json yarn.lock ./ # Run yarn install to install dependencies and clear yarn cache RUN apt-get update && \ yarn install --frozen-lockfile --network-timeout 100000 && \ rm -rf /app/node_modules/.cache # Copy all files to working directory COPY . . # Run yarn build to build the application RUN yarn build --production # Final stage FROM node:${NODE_VERSION}-${DEBIAN_VERSION} AS final WORKDIR /app COPY package.json yarn.lock ./ COPY --from=build /app . RUN apt-get update && \ apt-get install -y --no-install-recommends chromium traceroute && \ chmod 755 /usr/bin/chromium && \ rm -rf /var/lib/apt/lists/* /app/node_modules/.cache # Exposed container port, the default is 3000, which can be modified through the environment variable PORT EXPOSE ${PORT:-3000} # Set the environment variable CHROME_PATH to specify the path to the Chromium binaries ENV CHROME_PATH='/usr/bin/chromium' # Define the command executed when the container starts and start the server.js of the Node.js application CMD ["yarn", "start"]