Add jdk version

Author: cpuguy83

1.7/jdk/Dockerfile

@@ -0,0 +1,23 @@
+FROM java:8-jdk
+ENV JRUBY_VERSION 1.7.18
+RUN mkdir /opt/jruby \
+  && curl -sSL https://s3.amazonaws.com/jruby.org/downloads/${JRUBY_VERSION}/jruby-bin-${JRUBY_VERSION}.tar.gz \
+  | tar -zxC /opt/jruby --strip-components=1 \
+  && update-alternatives --install /usr/local/bin/ruby ruby /opt/jruby/bin/jruby 1
+ENV PATH /opt/jruby/bin:$PATH
+
+RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+
+# docker-library/java#19
+RUN /var/lib/dpkg/info/ca-certificates-java.postinst configure
+
+ENV GEM_HOME /usr/local/bundle
+ENV PATH $GEM_HOME/bin:$PATH
+RUN gem install bundler \
+	&& bundle config --global path "$GEM_HOME" \
+	&& bundle config --global bin "$GEM_HOME/bin"
+
+# don't create ".bundle" in all our apps
+ENV BUNDLE_APP_CONFIG $GEM_HOME
+
+CMD [ "irb" ]