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@koshigoe

koshigoe/Dockerfile

Created Jan 24, 2018
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Dockerfile to build Ruby trunk
# see https://github.com/docker-library/ruby/blob/e5d5ed23036c66c5797c39e0e156de5d006dbfc0/2.5/alpine3.7/Dockerfile
FROM alpine:3.7
# skip installing gem documentation
RUN mkdir -p /usr/local/etc \
&& { \
echo 'install: --no-document'; \
echo 'update: --no-document'; \
} >> /usr/local/etc/gemrc
ENV RUBYGEMS_VERSION 2.7.4
ENV BUNDLER_VERSION 1.16.1
# 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
# readline-dev vs libedit-dev: https://bugs.ruby-lang.org/issues/11869 and https://github.com/docker-library/ruby/issues/75
RUN set -ex \
\
&& apk add --no-cache --virtual .ruby-builddeps \
autoconf \
bison \
bzip2 \
bzip2-dev \
ca-certificates \
coreutils \
dpkg-dev dpkg \
gcc \
gdbm-dev \
glib-dev \
libc-dev \
libffi-dev \
libressl \
libressl-dev \
libxml2-dev \
libxslt-dev \
linux-headers \
make \
ncurses-dev \
procps \
readline-dev \
ruby \
tar \
xz \
yaml-dev \
zlib-dev \
git \
\
&& git clone https://github.com/ruby/ruby.git \
&& cd 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 \
&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
# the configure script does not detect isnan/isinf as macros
&& export ac_cv_func_isnan=yes ac_cv_func_isinf=yes \
&& ./configure \
--build="$gnuArch" \
--disable-install-doc \
--enable-shared \
&& make -j "$(nproc)" \
&& make install \
\
&& runDeps="$( \
scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
| tr ',' '\n' \
| sort -u \
| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
)" \
&& apk add --virtual .ruby-rundeps $runDeps \
bzip2 \
ca-certificates \
libffi-dev \
libressl-dev \
procps \
yaml-dev \
zlib-dev \
&& apk del .ruby-builddeps \
&& cd / \
&& gem update --system "$RUBYGEMS_VERSION" \
&& gem install bundler --version "$BUNDLER_VERSION" --force
# install things globally, for great justice
# and don't create ".bundle" in all our apps
ENV GEM_HOME /usr/local/bundle
ENV BUNDLE_PATH="$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"
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