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FROM alpine:latest
LABEL MAINTAINER="Faizan Bashir <faizan.ibn.bashir@gmail.com>"
# Linking of locale.h as xlocale.h
# This is done to ensure successfull install of python numpy package
# see https://forum.alpinelinux.org/comment/690#comment-690 for more information.
WORKDIR /var/www/
# SOFTWARE PACKAGES
# * musl: standard C library
# * lib6-compat: compatibility libraries for glibc
# * linux-headers: commonly needed, and an unusual package name from Alpine.
# * build-base: used so we include the basic development packages (gcc)
# * bash: so we can access /bin/bash
# * git: to ease up clones of repos
# * ca-certificates: for SSL verification during Pip and easy_install
# * freetype: library used to render text onto bitmaps, and provides support font-related operations
# * libgfortran: contains a Fortran shared library, needed to run Fortran
# * libgcc: contains shared code that would be inefficient to duplicate every time as well as auxiliary helper routines and runtime support
# * libstdc++: The GNU Standard C++ Library. This package contains an additional runtime library for C++ programs built with the GNU compiler
# * openblas: open source implementation of the BLAS(Basic Linear Algebra Subprograms) API with many hand-crafted optimizations for specific processor types
# * tcl: scripting language
# * tk: GUI toolkit for the Tcl scripting language
# * libssl1.0: SSL shared libraries
ENV PACKAGES="\
dumb-init \
musl \
libc6-compat \
linux-headers \
build-base \
bash \
git \
ca-certificates \
freetype \
libgfortran \
libgcc \
libstdc++ \
openblas \
tcl \
tk \
libssl1.0 \
"
# PYTHON DATA SCIENCE PACKAGES
# * numpy: support for large, multi-dimensional arrays and matrices
# * matplotlib: plotting library for Python and its numerical mathematics extension NumPy.
# * scipy: library used for scientific computing and technical computing
# * scikit-learn: machine learning library integrates with NumPy and SciPy
# * pandas: library providing high-performance, easy-to-use data structures and data analysis tools
# * nltk: suite of libraries and programs for symbolic and statistical natural language processing for English
ENV PYTHON_PACKAGES="\
numpy \
matplotlib \
scipy \
scikit-learn \
pandas \
nltk \
"
RUN apk add --no-cache --virtual build-dependencies python3 \
&& apk add --virtual build-runtime \
build-base python3-dev openblas-dev freetype-dev pkgconfig gfortran \
&& ln -s /usr/include/locale.h /usr/include/xlocale.h \
&& python3 -m ensurepip \
&& rm -r /usr/lib/python*/ensurepip \
&& pip3 install --upgrade pip setuptools \
&& ln -sf /usr/bin/python3 /usr/bin/python \
&& ln -sf pip3 /usr/bin/pip \
&& rm -r /root/.cache \
&& pip install --no-cache-dir $PYTHON_PACKAGES \
&& apk del build-runtime \
&& apk add --no-cache --virtual build-dependencies $PACKAGES \
&& rm -rf /var/cache/apk/*
CMD ["python3"]
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