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#
# Glances Dockerfile (based on Alpine)
#
# https://github.com/nicolargo/glances
#
# Note: ENV is for future running containers. ARG for building your Docker image.
# WARNING: the Alpine image version and Python version should be set.
# Alpine 3.18 tag is a link to the latest 3.18.x version.
# Be aware that if you change the Alpine version, you may have to change the Python version.
ARG IMAGE_VERSION=3.19
ARG PYTHON_VERSION=3.11
##############################################################################
# Base layer to be used for building dependencies and the release images
FROM alpine:${IMAGE_VERSION} as base
# Upgrade the system
RUN apk update \
&& apk upgrade --no-cache
# Install the minimal set of packages
RUN apk add --no-cache \
python3 \
curl \
lm-sensors \
wireless-tools \
smartmontools \
iputils \
tzdata
##############################################################################
# BUILD Stages
##############################################################################
# BUILD: Base image shared by all build images
FROM base as build
ARG PYTHON_VERSION
RUN apk add --no-cache \
python3-dev \
py3-pip \
py3-wheel \
musl-dev \
linux-headers \
build-base \
libzmq \
zeromq-dev \
# Required for 'cryptography' dependency of optional requirement 'cassandra-driver' \
# Refer: https://cryptography.io/en/latest/installation/#alpine \
# `git` required to clone cargo crates (dependencies)
git \
gcc \
cargo \
pkgconfig \
libffi-dev \
openssl-dev
RUN python${PYTHON_VERSION} -m venv venv-build
RUN /venv-build/bin/python${PYTHON_VERSION} -m pip install --upgrade pip
RUN python${PYTHON_VERSION} -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
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
##############################################################################
# BUILD: Install all the deps
FROM build as buildFull
# Required for optional dependency cassandra-driver
ARG CASS_DRIVER_NO_CYTHON=1
# See issue 2368
ARG CARGO_NET_GIT_FETCH_WITH_CLI=true
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
##############################################################################
# RELEASE Stages
##############################################################################
# Base image shared by all releases
FROM base as release
# Copy 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"
# 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
COPY --from=buildMinimal /venv /venv
################################################################################
# RELEASE: full
FROM release as full
RUN apk add --no-cache libzmq
COPY --from=buildFull /venv /venv
################################################################################
# RELEASE: dev - to be compatible with CI
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
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