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{ {
def is_alpine:
env.variant | startswith( "alpine" )
;
def is_slim:
env.variant | startswith( "slim-" )
-} }
{ { if is_alpine then ( -} }
FROM alpine:{{ env.variant | ltrimstr("alpine") }}
{ { ) elif is_slim then ( -} }
FROM debian:{{ env.variant | ltrimstr("slim-") }}-slim
{ { ) else ( -} }
FROM buildpack-deps:{{ env.variant }}
{ { ) end -} }
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{ { if is_alpine then ( -} }
RUN set -eux; \
apk add --no-cache \
bzip2 \
ca-certificates \
gmp-dev \
libffi-dev \
procps \
yaml-dev \
zlib-dev \
;
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{ { ) elif is_slim then ( -} }
RUN set -eux; \
apt-get update; \
apt-get install -y --no-install-recommends \
bzip2 \
ca-certificates \
libffi-dev \
libgmp-dev \
libssl-dev \
libyaml-dev \
procps \
zlib1g-dev \
; \
rm -rf /var/lib/apt/lists/*
{ { ) else "" end -} }
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# skip installing gem documentation
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RUN set -eux; \
mkdir -p /usr/local/etc; \
{ \
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echo 'install: --no-document' ; \
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echo 'update: --no-document' ; \
} >> /usr/local/etc/gemrc
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ENV LANG C.UTF-8
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ENV RUBY_MAJOR { { env.version } }
ENV RUBY_VERSION { { .version } }
ENV RUBY_DOWNLOAD_SHA256 { { .sha256 } }
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# some of ruby's build scripts are written in ruby
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# we purge system ruby later to make sure our final image uses what we just built
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RUN set -eux; \
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\
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{ { if is_alpine then ( -} }
# readline-dev vs libedit-dev: https://bugs.ruby-lang.org/issues/11869 and https://github.com/docker-library/ruby/issues/75
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apk add --no-cache --virtual .ruby-builddeps \
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autoconf \
bison \
bzip2 \
bzip2-dev \
ca-certificates \
coreutils \
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dpkg-dev dpkg \
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gcc \
gdbm-dev \
glib-dev \
libc-dev \
libffi-dev \
libxml2-dev \
libxslt-dev \
linux-headers \
make \
ncurses-dev \
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openssl \
openssl-dev \
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patch \
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procps \
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readline-dev \
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ruby \
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tar \
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xz \
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yaml-dev \
zlib-dev \
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; \
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{ { ) else ( -} }
savedAptMark = " $( apt-mark showmanual) " ; \
apt-get update; \
apt-get install -y --no-install-recommends \
bison \
dpkg-dev \
libgdbm-dev \
ruby \
{ { if is_slim then ( -} }
autoconf \
gcc \
libbz2-dev \
libglib2.0-dev \
libncurses-dev \
libreadline-dev \
libxml2-dev \
libxslt-dev \
make \
wget \
xz-utils \
{ { if env.variant | endswith( "stretch" ) then "" else ( -} }
# https://packages.debian.org/sid/libgdbm-compat-dev (needed for "dbm" core module, but only in Buster+)
libgdbm-compat-dev \
{ { ) end -} }
{ { ) else "" end -} }
; \
rm -rf /var/lib/apt/lists/*; \
{ { ) end -} }
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\
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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 --check --strict; \
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\
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mkdir -p /usr/src/ruby; \
tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components= 1; \
rm ruby.tar.xz; \
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\
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cd /usr/src/ruby; \
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\
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{ { if is_alpine then ( -} }
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# https://github.com/docker-library/ruby/issues/196
# https://bugs.ruby-lang.org/issues/14387#note-13 (patch source)
# https://bugs.ruby-lang.org/issues/14387#note-16 ("Therefore ncopa's patch looks good for me in general." -- only breaks glibc which doesn't matter here)
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wget -O 'thread-stack-fix.patch' 'https://bugs.ruby-lang.org/attachments/download/7081/0001-thread_pthread.c-make-get_main_stack-portable-on-lin.patch' ; \
echo '3ab628a51d92fdf0d2b5835e93564857aea73e0c1de00313864a94a6255cb645 *thread-stack-fix.patch' | sha256sum --check --strict; \
patch -p1 -i thread-stack-fix.patch; \
rm thread-stack-fix.patch; \
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\
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# the configure script does not detect isnan/isinf as macros
export ac_cv_func_isnan = yes ac_cv_func_isinf = yes; \
\
{ { ) else "" end -} }
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# hack in "ENABLE_PATH_CHECK" disabling to suppress:
# warning: Insecure world writable dir
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{ \
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echo '#define ENABLE_PATH_CHECK 0' ; \
echo; \
cat file.c; \
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} > file.c.new; \
mv file.c.new file.c; \
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\
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autoconf; \
gnuArch = " $( dpkg-architecture --query DEB_BUILD_GNU_TYPE) " ; \
./configure \
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--build= " $gnuArch " \
--disable-install-doc \
--enable-shared \
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; \
make -j " $( nproc) " ; \
make install; \
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\
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{ { if is_alpine then ( -} }
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runDeps = " $( \
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scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
| tr ',' '\n' \
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| sort -u \
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| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
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) " ; \
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apk add --no-network --virtual .ruby-rundeps $runDeps ; \
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apk del --no-network .ruby-builddeps; \
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{ { ) else ( -} }
apt-mark auto '.*' > /dev/null; \
apt-mark manual $savedAptMark > /dev/null; \
find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
| awk '/=>/ { print $(NF-1) }' \
| sort -u \
| grep -vE '^/usr/local/lib/' \
| xargs -r dpkg-query --search \
| cut -d: -f1 \
| sort -u \
| xargs -r apt-mark manual \
; \
apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant= false; \
{ { ) end -} }
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\
cd /; \
rm -r /usr/src/ruby; \
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# verify we have no "ruby" packages installed
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{ { if is_alpine then ( -} }
if \
apk --no-network list --installed \
| grep -v '^[.]ruby-rundeps' \
| grep -i ruby \
; then \
exit 1; \
fi ; \
{ { ) else ( -} }
if dpkg -l | grep -i ruby; then exit 1; fi ; \
{ { ) end -} }
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[ " $( command -v ruby) " = '/usr/local/bin/ruby' ] ; \
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# rough smoke test
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ruby --version; \
gem --version; \
bundle --version
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# don't create ".bundle" in all our apps
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ENV GEM_HOME /usr/local/bundle
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ENV BUNDLE_SILENCE_ROOT_WARNING = 1 \
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BUNDLE_APP_CONFIG = " $GEM_HOME "
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ENV PATH $GEM_HOME /bin:$PATH
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# adjust permissions of a few directories for running "gem install" as an arbitrary user
RUN mkdir -p " $GEM_HOME " && chmod 777 " $GEM_HOME "
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CMD [ "irb" ]