Ruby Dockerfile

Dockerfile

FROM alpine:3.2

MAINTAINER RakutenPayments <infra@rakutenpayments.com.br>

RUN \
  echo 'gem: --no-document' >> ~/.gemrc && \
  cp ~/.gemrc /etc/gemrc && \
  chmod uog+r /etc/gemrc

ENV \
  GEM_PATH="/app/vendor/bundle/ruby/2.2.0/" \
  RUBY_VERSION="2.2.3-r0"

ENV \
  BUILD_PACKAGES="curl-dev ruby-dev=$RUBY_VERSION build-base" \
  DEV_PACKAGES="zlib-dev libxml2-dev libxslt-dev tzdata postgresql-dev" \
  RUBY_PACKAGES="ruby=$RUBY_VERSION ruby-io-console=$RUBY_VERSION libpq" \
  NOKOGIRI_USE_SYSTEM_LIBRARIES=1

RUN \
  apk --update --upgrade add $BUILD_PACKAGES $RUBY_PACKAGES $DEV_PACKAGES && \
  gem install -N bundler

WORKDIR /app

ADD Gemfile* /app/

RUN \
  bundle install --without="development test"

# cleanup and settings
RUN \
  apk del curl-dev && \
  apk del ruby-base build-base && \
  apk del $DEV_PACKAGES && \
  find / -type f -iname \*.apk-new -delete && \
  rm -rf /var/cache/apk/* && \
  rm -rf /usr/lib/ruby/gems/*/cache/* && \
  rm -rf ~/.gem

# ensure gems installed
RUN \
  bundle install --without="development test"

ADD . /app