Spotter-VM/lxc-shared/alpine3.12-ruby2.6/image

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IMAGE alpine3.12-ruby2.6_2.6.6-201021
FROM alpine3.12_3.12.1-201021
RUN EOF
# Install Ruby runtime dependencies
apk --no-cache add gdbm zlib
# Install Ruby build dependencies
apk --no-cache add --virtual .deps build-base autoconf gdbm-dev libressl-dev linux-headers readline-dev zlib-dev
# Download and unpack Ruby
mkdir -p /usr/src/ruby
wget http://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.6.tar.xz -O - | tar xJf - -C /usr/src/ruby --strip-components=1
# Compile and install Ruby
cd /usr/src/ruby
autoconf
./configure --build=x86_64-linux-musl --disable-install-doc --enable-shared
make -j $(getconf _NPROCESSORS_ONLN)
make install
# Install RubyGems and Bundler
mkdir -p /usr/local/etc
echo -e 'install: --no-document\nupdate: --no-document' >/usr/local/etc/gemrc
gem update --system
# Cleanup
apk --no-cache del .deps
cd /root
rm -r /usr/src/ruby
rm -rf /root/.gem
EOF