content: #
  # Glances Dockerfile (based on Ubuntu)
  #
  # https://github.com/nicolargo/glances
  #
  
  # WARNING: the versions should be set.
  # Ex: Python 3.12 for Ubuntu 24.04
  # Note: ENV is for future running containers. ARG for building your Docker image.
  
  ARG IMAGE_VERSION=24.04
  ARG PYTHON_VERSION=3.12
  
  ##############################################################################
  # Base layer to be used for building dependencies and the release images
  FROM ubuntu:${IMAGE_VERSION} as base
  ARG DEBIAN_FRONTEND=noninteractive
  
  RUN apt-get update \
    && apt-get install -y --no-install-recommends \
      python3 \
      curl \
      lm-sensors \
      wireless-tools \
      smartmontools \
      net-tools \
      tzdata \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*
  
  ##############################################################################
  # BUILD Stages
  ##############################################################################
  # BUILD: Base image shared by all build images
  FROM base as build
  ARG PYTHON_VERSION
  ARG DEBIAN_FRONTEND=noninteractive
  
  # Upgrade the system
  RUN apt-get update \
    && apt-get upgrade -y
  
  # Install build-time dependencies
  RUN apt-get install -y --no-install-recommends \
      python3-dev \
      python3-venv \
      python3-pip \
      python3-wheel \
      libzmq5 \
      musl-dev \
      build-essential
  
  RUN apt-get clean \
    && rm -rf /var/lib/apt/lists/*
  
  RUN python3 -m venv --without-pip venv
  
  COPY requirements.txt docker-requirements.txt webui-requirements.txt optional-requirements.txt ./
  
  ##############################################################################
  # BUILD: Install the minimal image deps
  FROM build as buildMinimal
  ARG PYTHON_VERSION
  
  RUN python3 -m pip install --target="/venv/lib/python${PYTHON_VERSION}/site-packages" \
      -r requirements.txt \
      -r docker-requirements.txt \
      -r webui-requirements.txt
  
  ##############################################################################
  # BUILD: Install all the deps
  FROM build as buildFull
  ARG PYTHON_VERSION
  
  RUN python3 -m pip install --target="/venv/lib/python${PYTHON_VERSION}/site-packages" \
      -r requirements.txt \
      -r optional-requirements.txt
  
  ##############################################################################
  # RELEASE Stages
  ##############################################################################
  # Base image shared by all releases
  FROM base as release
  ARG PYTHON_VERSION
  
  # Copy Glances source code and config file
  COPY ./docker-compose/glances.conf /etc/glances/glances.conf
  COPY ./glances/. /app/glances/
  
  # Copy binary and update PATH
  COPY docker-bin.sh /usr/local/bin/glances
  RUN chmod a+x /usr/local/bin/glances
  ENV PATH="/venv/bin:$PATH"
  
  # Copy binary and update PATH
  COPY docker-bin.sh /usr/local/bin/glances
  RUN chmod a+x /usr/local/bin/glances
  ENV PATH="/venv/bin:$PATH"
  
  # EXPOSE PORT (XMLRPC / WebUI)
  EXPOSE 61209 61208
  
  # Define default command.
  WORKDIR /app
  CMD /venv/bin/python3 -m glances $GLANCES_OPT
  
  ################################################################################
  # RELEASE: minimal
  FROM release as minimal
  ARG PYTHON_VERSION
  
  COPY --from=buildMinimal /venv /venv
  
  ################################################################################
  # RELEASE: full
  FROM release as full
  ARG PYTHON_VERSION
  
  RUN apt-get update \
    && apt-get install -y --no-install-recommends libzmq5 \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*
  
  COPY --from=buildFull /venv /venv
  
  ################################################################################
  # RELEASE: dev - to be compatible with CI
  FROM full as dev
  ARG PYTHON_VERSION
  
  # Forward access and error logs to Docker's log collector
  RUN ln -sf /dev/stdout /tmp/glances-root.log \
      && ln -sf /dev/stderr /var/log/error.log
  