#

# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"

#

# PLEASE DO NOT EDIT IT DIRECTLY.

#

FROM alpine:3.11

# 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 set -eux; \

apk add --no-cache \

# install ca-certificates so that HTTPS works consistently

ca-certificates \

;

# other runtime dependencies for Python are installed later

ENV GPG_KEY E3FF2839C048B25C084DEBE9B26995E310250568

ENV PYTHON_VERSION 3.8.6

RUN set -ex \

&& apk add --no-cache --virtual .fetch-deps \

gnupg \

tar \

xz \

\

&& 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 --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \

&& gpg --batch --verify python.tar.xz.asc python.tar.xz \

&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \

&& 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 \

\

&& apk add --no-cache --virtual .build-deps \

bluez-dev \

bzip2-dev \

coreutils \

dpkg-dev dpkg \

expat-dev \

findutils \

gcc \

gdbm-dev \

libc-dev \

libffi-dev \

libnsl-dev \

libtirpc-dev \

linux-headers \

make \

ncurses-dev \

openssl-dev \

pax-utils \

readline-dev \

sqlite-dev \

tcl-dev \

tk \

tk-dev \

util-linux-dev \

xz-dev \

zlib-dev \

# add build deps before removing fetch deps in case there's overlap

&& apk del --no-network .fetch-deps \

\

&& cd /usr/src/python \

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

&& ./configure \

--build="$gnuArch" \

--enable-loadable-sqlite-extensions \

--enable-optimizations \

--enable-option-checking=fatal \

--enable-shared \

--with-system-expat \

--with-system-ffi \

--without-ensurepip \

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

# set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()

# https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0

EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \

LDFLAGS="-Wl,--strip-all" \

&& make install \

&& rm -rf /usr/src/python \

\

&& find /usr/local -depth \

\( \

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

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

-o \( -type f -a -name 'wininst-*.exe' \) \

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

\

&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec scanelf --needed --nobanner --format '%n#p' '{}' ';' \

| tr ',' '\n' \

| sort -u \

| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \

| xargs -rt apk add --no-cache --virtual .python-rundeps \

&& apk del --no-network .build-deps \

\

&& python3 --version

# 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 20.3.3

# https://github.com/pypa/get-pip

ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/5f38681f7f5872e4032860b54e9cc11cf0374932/get-pip.py

ENV PYTHON_GET_PIP_SHA256 6a0b13826862f33c13b614a921d36253bfa1ae779c5fbf569876f3585057e9d2

RUN set -ex; \

\

wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \

echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum -c -; \

\

python get-pip.py \

--disable-pip-version-check \

--no-cache-dir \

"pip==$PYTHON_PIP_VERSION" \

; \

pip --version; \

\

find /usr/local -depth \

\( \

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

-o \

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

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

rm -f get-pip.py

CMD ["python3"]