FROM debian:%%PLACEHOLDER%%-slim

RUN apt-get update && apt-get install -y --no-install-recommends \

ca-certificates \

curl \

netbase \

wget \

git \

openssh-client \

subversion \

procps \

autoconf \

automake \

bzip2 \

file \

g++ \

gcc \

imagemagick \

libbz2-dev \

libc6-dev \

libcurl4-openssl-dev \

libdb-dev \

libevent-dev \

libffi-dev \

libgdbm-dev \

libglib2.0-dev \

libjpeg-dev \

liblzma-dev \

libncurses5-dev \

libncursesw5-dev \

libpng-dev \

libreadline-dev \

libsqlite3-dev \

libssl-dev \

libtool \

libfreetype6-dev \

libxml2-dev \

make \

patch \

xz-utils \

zlib1g-dev \

\

# https://lists.debian.org/debian-devel-announce/2016/09/msg00000.html

$( \

# if we use just "apt-cache show" here, it returns zero because "Can't select versions from package 'libmysqlclient-dev' as it is purely virtual", hence the pipe to grep

if apt-cache show 'default-libmysqlclient-dev' 2>/dev/null | grep -q '^Version:'; then \

echo 'default-libmysqlclient-dev'; \

else \

echo 'libmysqlclient-dev'; \

fi \

) \

; \

set -ex; \

if ! command -v gpg > /dev/null; then \

apt-get update; \

apt-get install -y --no-install-recommends \

gnupg \

dirmngr \

; \

rm -rf /var/lib/apt/lists/*; \

fi ; \

rm -rf /var/lib/apt/lists/*

# ensure local python is preferred over distribution python

ENV PATH /usr/local/bin:$PATH

# http://bugs.python.org/issue19846

# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.

ENV LANG C.UTF-8

# runtime dependencies

RUN apt-get update && apt-get install -y --no-install-recommends \

tcl \

tk \

&& rm -rf /var/lib/apt/lists/*

ENV GPG_KEY %%PLACEHOLDER%%

ENV PYTHON_VERSION %%PLACEHOLDER%%

RUN set -ex \

&& buildDeps=' \

dpkg-dev \

tcl-dev \

tk-dev \

' \

&& echo "deb http://cloudfront.debian.net/debian/ buster main contrib\n\

deb http://cloudfront.debian.net/debian-security/ buster/updates main contrib" >> /etc/apt/sources.list \

&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \

\

&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \

&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \

&& export GNUPGHOME="$(mktemp -d)" \

&& ( gpg --no-tty --keyserver ipv4.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \

|| gpg --keyserver Zpool.sks-keyservers.net --recv-keys "$GPG_KEY" \

|| gpg --keyserver pgp.mit.edu --recv-keys "$GPG_KEY" \

|| gpg --keyserver keyserver.pgp.com --recv-keys "$GPG_KEY" ) \

&& gpg --no-tty --batch --verify python.tar.xz.asc python.tar.xz \

&& rm -rf "$GNUPGHOME" python.tar.xz.asc \

&& mkdir -p /usr/src/python \

&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \

&& rm python.tar.xz \

\

&& cd /usr/src/python \

&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \

&& ./configure \

--build="$gnuArch" \

--enable-loadable-sqlite-extensions \

--enable-shared \

--with-system-expat \

--with-system-ffi \

--without-ensurepip \

&& make -j "$(nproc)" \

&& make install \

&& ldconfig \

\

&& apt-get purge -y --auto-remove $buildDeps \

\

&& find /usr/local -depth \

\( \

\( -type d -a \( -name test -o -name tests \) \) \

-o \

\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \

\) -exec rm -rf '{}' + \

&& rm -rf /usr/src/python

# make some useful symlinks that are expected to exist

RUN cd /usr/local/bin \

&& ln -s idle3 idle \

&& ln -s pydoc3 pydoc \

&& ln -s python3 python \

&& ln -s python3-config python-config

# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"

ENV PYTHON_PIP_VERSION %%PLACEHOLDER%%

ENV PIP_INSTALL="pip install --no-cache-dir -qq"

RUN set -ex; \

\

wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \

\

python get-pip.py \

--disable-pip-version-check \

--no-cache-dir \

"pip==$PYTHON_PIP_VERSION" \

; \

pip --version; \

\

find /usr/local -depth \

\( \

\( -type d -a \( -name test -o -name tests \) \) \

-o \

\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \

\) -exec rm -rf '{}' +; \

rm -f get-pip.py

CMD ["python3"]