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#
# 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
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