glances/docker-files/ubuntu.Dockerfile

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#
# Glances Dockerfile (based on Ubuntu)
#
# https://github.com/nicolargo/glances
#
# WARNING: the versions should be set.
# Ex: Python 3.10 for Ubuntu 22.04
# Note: ENV is for future running containers. ARG for building your Docker image.
ARG IMAGE_VERSION=23.04
ARG PYTHON_VERSION=3.11
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##############################################################################
# Base layer to be used for building dependencies and the release images
FROM ubuntu:${IMAGE_VERSION} as base
ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get update \
&& apt-get install -y --no-install-recommends \
python3 \
curl \
lm-sensors \
wireless-tools \
smartmontools \
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net-tools \
tzdata \
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&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
##############################################################################
# BUILD Stages
##############################################################################
# BUILD: Base image shared by all build images
FROM base as build
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ARG PYTHON_VERSION
ARG DEBIAN_FRONTEND=noninteractive
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# Upgrade the system
RUN apt-get update \
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&& apt-get upgrade -y
# Install build-time dependencies
RUN apt-get install -y --no-install-recommends \
python3-dev \
python3-venv \
python3-pip \
python3-wheel \
libzmq5 \
musl-dev \
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build-essential
RUN apt-get clean \
&& rm -rf /var/lib/apt/lists/*
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RUN python${PYTHON_VERSION} -m venv --without-pip venv
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COPY requirements.txt docker-requirements.txt webui-requirements.txt optional-requirements.txt ./
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##############################################################################
# BUILD: Install the minimal image deps
FROM build as buildMinimal
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RUN python${PYTHON_VERSION} -m pip install --target="/venv/lib/python${PYTHON_VERSION}/site-packages" \
# Note: requirements.txt is include by dep
-r docker-requirements.txt \
-r webui-requirements.txt
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##############################################################################
# BUILD: Install all the deps
FROM build as buildFull
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RUN python${PYTHON_VERSION} -m pip install --target="/venv/lib/python${PYTHON_VERSION}/site-packages" \
# Note: requirements.txt is include by dep
-r optional-requirements.txt
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##############################################################################
# RELEASE Stages
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##############################################################################
# Base image shared by all releases
FROM base as release
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# Copy Glances source code and config file
COPY ./docker-compose/glances.conf /etc/glances/glances.conf
COPY /glances /app/glances
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# Copy binary and update PATH
COPY docker-bin.sh /usr/local/bin/glances
RUN chmod a+x /usr/local/bin/glances
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ENV PATH="/venv/bin:$PATH"
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# EXPOSE PORT (XMLRPC / WebUI)
EXPOSE 61209 61208
# Define default command.
WORKDIR /app
CMD /venv/bin/python3 -m glances $GLANCES_OPT
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################################################################################
# RELEASE: minimal
FROM release as minimal
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COPY --from=buildMinimal /venv /venv
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################################################################################
# RELEASE: full
FROM release as full
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RUN apt-get update \
&& apt-get install -y --no-install-recommends libzmq5 \
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&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
COPY --from=buildFull /venv /venv
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################################################################################
# RELEASE: dev - to be compatible with CI
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FROM full as dev
# 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