FROM alpine:3.10 # ensure local python is preferred over distribution python ENV PATH /usr/local/bin:$PATH # http://bugs.python.org/issue19846 # > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK. ENV LANG C.UTF-8 # install ca-certificates so that HTTPS works consistently # other runtime dependencies for Python are installed later RUN apk add --no-cache ca-certificates ENV GPG_KEY E3FF2839C048B25C084DEBE9B26995E310250568 ENV PYTHON_VERSION 3.8.0 RUN set -ex \ && apk add --no-cache --virtual .fetch-deps \ gnupg \ tar \ xz \ \ && wget -O python.tar.xz "https://www.python.org/ftp/python/${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 \ 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 .fetch-deps \ \ && cd /usr/src/python \ && gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \ && ./configure \ --build="$gnuArch" \ --enable-loadable-sqlite-extensions \ --enable-optimizations \ --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" \ && make install \ \ && 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 .build-deps \ \ && 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 -rf /usr/src/python \ \ && 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 19.3.1 # https://github.com/pypa/get-pip ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/ffe826207a010164265d9cc807978e3604d18ca0/get-pip.py ENV PYTHON_GET_PIP_SHA256 b86f36cc4345ae87bfd4f10ef6b2dbfa7a872fbff70608a1e43944d283fd0eee 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"]