content: # [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 18-bullseye, 16-bullseye, 14-bullseye, 18-buster, 16-buster, 14-buster
  ARG VARIANT=16-bullseye
  FROM node:${VARIANT}
  
  # [Option] Install zsh
  ARG INSTALL_ZSH="true"
  # [Option] Upgrade OS packages to their latest versions
  ARG UPGRADE_PACKAGES="true"
  
  # Install needed packages, yarn, nvm and setup non-root user. Use a separate RUN statement to add your own dependencies.
  ARG USERNAME=node
  ARG USER_UID=1000
  ARG USER_GID=$USER_UID
  ARG NPM_GLOBAL=/usr/local/share/npm-global
  ENV NVM_DIR=/usr/local/share/nvm
  ENV NVM_SYMLINK_CURRENT=true \ 
      PATH=${NPM_GLOBAL}/bin:${NVM_DIR}/current/bin:${PATH}
  COPY library-scripts/*.sh library-scripts/*.env /tmp/library-scripts/
  RUN apt-get update && export DEBIAN_FRONTEND=noninteractive  \
      # Remove imagemagick due to https://security-tracker.debian.org/tracker/CVE-2019-10131
      && apt-get purge -y imagemagick imagemagick-6-common \
      # Install common packages, non-root user, update yarn and install nvm
      && bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" "true" "true" \
      # Install yarn, nvm
      && rm -rf /opt/yarn-* /usr/local/bin/yarn /usr/local/bin/yarnpkg \
      && bash /tmp/library-scripts/node-debian.sh "${NVM_DIR}" "none" "${USERNAME}" \
      # Configure global npm install location, use group to adapt to UID/GID changes
      && if ! cat /etc/group | grep -e "^npm:" > /dev/null 2>&1; then groupadd -r npm; fi \
      && usermod -a -G npm ${USERNAME} \
      && umask 0002 \
      && mkdir -p ${NPM_GLOBAL} \
      && touch /usr/local/etc/npmrc \
      && chown ${USERNAME}:npm ${NPM_GLOBAL} /usr/local/etc/npmrc \
      && chmod g+s ${NPM_GLOBAL} \
      && npm config -g set prefix ${NPM_GLOBAL} \
      && sudo -u ${USERNAME} npm config -g set prefix ${NPM_GLOBAL} \
      # Install eslint
      && su ${USERNAME} -c "umask 0002 && npm install -g eslint" \
      && npm cache clean --force > /dev/null 2>&1 \
      # Install python-is-python3 on bullseye to prevent node-gyp regressions
      && . /etc/os-release \
      && if [ "${VERSION_CODENAME}" = "bullseye" ]; then apt-get -y install --no-install-recommends python-is-python3; fi \
      # Clean up
      && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/* /root/.gnupg /tmp/library-scripts
  
  # [Optional] Uncomment this section to install additional OS packages.
  # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
  #     && apt-get -y install --no-install-recommends <your-package-list-here>
  
  # [Optional] Uncomment if you want to install an additional version of node using nvm
  # ARG EXTRA_NODE_VERSION=10
  # RUN su node -c "source /usr/local/share/nvm/nvm.sh && nvm install ${EXTRA_NODE_VERSION}"
  
  # [Optional] Uncomment if you want to install more global node modules
  # RUN su node -c "npm install -g <your-package-list-here>""