system-config/docker/python-base/Dockerfile

# Copyright (c) 2019 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

ARG PYTHON_VERSION=3.7
FROM docker.io/library/python:${PYTHON_VERSION}-slim

RUN echo 'APT::Install-Recommends "0";' > /etc/apt/apt.conf.d/95disable-recommends

RUN apt-get update \
  && apt-get install -y dumb-init \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*

# Upgrade pip to fix wheel cache for locally built wheels.
# See https://github.com/pypa/pip/issues/6852
RUN pip install -U pip

# Undo debian changes to openssl.cnf that are too aggressive
COPY openssl.cnf /etc/ssl/openssl.cnf

ENTRYPOINT ["/usr/bin/dumb-init", "--"]