diff --git a/SCOR/Dockerfile_example b/SCOR/Dockerfile_example new file mode 100644 index 0000000..11ef89c --- /dev/null +++ b/SCOR/Dockerfile_example @@ -0,0 +1,128 @@ +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 ''" +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"]