FROM buildpack-deps:xenial
MAINTAINER Kenta Murata mrkn

###############################################################
# Ruby based on docker-library/ruby
###############################################################

# skip installing gem documentation
RUN mkdir -p /usr/local/etc \
	&& { \
		echo 'install: --no-document'; \
		echo 'update: --no-document'; \
	} >> /usr/local/etc/gemrc

ENV RUBY_MAJOR 2.4
ENV RUBY_VERSION 2.4.0
ENV RUBY_DOWNLOAD_SHA256 3a87fef45cba48b9322236be60c455c13fd4220184ce7287600361319bb63690
ENV RUBYGEMS_VERSION 2.6.10

# some of ruby's build scripts are written in ruby
#   we purge system ruby later to make sure our final image uses what we just built
RUN set -ex \
	\
	&& buildDeps=' \
		bison \
		libgdbm-dev \
		ruby \
	' \
	&& apt-get update \
	&& apt-get install -y --no-install-recommends $buildDeps \
	&& rm -rf /var/lib/apt/lists/* \
	\
	&& wget -O ruby.tar.xz "https://cache.ruby-lang.org/pub/ruby/${RUBY_MAJOR%-rc}/ruby-$RUBY_VERSION.tar.xz" \
	&& echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum -c - \
	\
	&& mkdir -p /usr/src/ruby \
	&& tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1 \
	&& rm ruby.tar.xz \
	\
	&& cd /usr/src/ruby \
	\
# hack in "ENABLE_PATH_CHECK" disabling to suppress:
#   warning: Insecure world writable dir
	&& { \
		echo '#define ENABLE_PATH_CHECK 0'; \
		echo; \
		cat file.c; \
	} > file.c.new \
	&& mv file.c.new file.c \
	\
	&& autoconf \
	&& ./configure --disable-install-doc --enable-shared \
	&& make -j"$(nproc)" \
	&& make install \
	\
	&& apt-get purge -y --auto-remove $buildDeps \
	&& cd / \
	&& rm -r /usr/src/ruby \
	\
	&& gem update --system "$RUBYGEMS_VERSION"

ENV BUNDLER_VERSION 1.14.5

RUN gem install bundler --version "$BUNDLER_VERSION"

# install things globally, for great justice
# and don't create ".bundle" in all our apps
ENV GEM_HOME /usr/local/bundle
ENV BUNDLE_PATH="$GEM_HOME" \
	BUNDLE_BIN="$GEM_HOME/bin" \
	BUNDLE_SILENCE_ROOT_WARNING=1 \
	BUNDLE_APP_CONFIG="$GEM_HOME"
ENV PATH $BUNDLE_BIN:$PATH
RUN mkdir -p "$GEM_HOME" "$BUNDLE_BIN" \
	&& chmod 777 "$GEM_HOME" "$BUNDLE_BIN"


###############################################################
# Python based on docker-library/python
###############################################################

# 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 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
ENV PYTHON_VERSION 3.6.0

# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
ENV PYTHON_PIP_VERSION 9.0.1

RUN set -ex \
	&& buildDeps=' \
		tcl-dev \
		tk-dev \
	' \
	&& 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 --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
	&& rm -r "$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 \
	&& ./configure \
		--enable-loadable-sqlite-extensions \
		--enable-shared \
	&& make -j$(nproc) \
	&& make install \
	&& ldconfig \
	\
# explicit path to "pip3" to ensure distribution-provided "pip3" cannot interfere
	&& if [ ! -e /usr/local/bin/pip3 ]; then : \
		&& wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
		&& python3 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \
		&& rm /tmp/get-pip.py \
	; fi \
# we use "--force-reinstall" for the case where the version of pip we're trying to install is the same as the version bundled with Python
# ("Requirement already up-to-date: pip==8.1.2 in /usr/local/lib/python3.6/site-packages")
# https://github.com/docker-library/python/pull/143#issuecomment-241032683
	&& pip3 install --no-cache-dir --upgrade --force-reinstall "pip==$PYTHON_PIP_VERSION" \
# then we use "pip list" to ensure we don't have more than one pip version installed
# https://github.com/docker-library/python/pull/100
	&& [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_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 '{}' + \
	&& apt-get purge -y --auto-remove $buildDeps \
	&& rm -rf /usr/src/python ~/.cache

# make some useful symlinks that are expected to exist
RUN cd /usr/local/bin \
	&& { [ -e easy_install ] || ln -s easy_install-* easy_install; } \
	&& ln -s idle3 idle \
	&& ln -s pydoc3 pydoc \
	&& ln -s python3 python \
	&& ln -s python3-config python-config

###############################################################
# pycall
###############################################################

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

RUN pip3 install jupyter
RUN pip3 install numpy
RUN pip3 install scipy
RUN pip3 install pandas
RUN pip3 install matplotlib
RUN pip3 install seaborn
RUN pip3 install scikit-learn
RUN pip3 install gensim
RUN pip3 install nltk
RUN pip3 install statsmodels
RUN pip3 install xray

RUN mkdir -p /app /notebooks/examples /notebooks/local
WORKDIR /app
ADD docker/Gemfile /app
ADD docker/start.sh /app

RUN bundle install
RUN bundle exec iruby register

# Deploy matplotlib's examples
RUN mkdir -p /tmp \
	&& curl -fsSL https://github.com/mrkn/matplotlib.rb/archive/master.tar.gz | tar -xzf - -C /tmp \
	&& mv /tmp/matplotlib.rb-master/examples /notebooks/examples/matplotlib \
        && rm -rf /tmp/matplotlib.rb-master

CMD sh /app/start.sh
EXPOSE 8888