diff --git a/do.sh b/do.sh
index 3d9d226..73ff4bb 100755
--- a/do.sh
+++ b/do.sh
@@ -200,15 +200,28 @@ RUN apk update && apk add --no-cache ca-certificates
 
 #========================
 
+FROM '"$from"' as builder
+RUN mkdir -p /var/log
+RUN apk add --no-cache ruby ruby-bundler make gcc libc-dev
+'"$gf"'
+#CMD []
+#ENTRYPOINT ["sh"]
+
+#========================
+
 FROM '"$from"'
 MAINTAINER breel@qualtrics.com
-RUN mkdir -p /var/log
+RUN rm -rf /usr/local/lib/ruby/2.6.0/rubygems /usr/local/bundle/gems /usr/local/bundle/specifications /usr/local/lib/ruby/gems /usr/local/bundle/extensions
+RUN mkdir -p /usr/local/lib/ruby/2.6.0/ /usr/local/bundle/ /usr/local/bundle/ /usr/local/lib/ruby/ /usr/local/bundle/
+COPY --from=certs /etc/ssl/certs /etc/ssl/certs
+COPY --from=builder /usr/local/lib/ruby/2.6.0/rubygems /usr/local/lib/ruby/2.6.0/rubygems
+COPY --from=builder /usr/local/bundle/gems /usr/local/bundle/gems
+COPY --from=builder /usr/local/bundle/specifications /usr/local/bundle/specifications
+COPY --from=builder /usr/local/lib/ruby/gems /usr/local/lib/ruby/gems
+COPY --from=builder /usr/local/bundle/extensions /usr/local/bundle/extensions
 WORKDIR /main
 ENV HOME=/main
 ENV MNT=/mnt/
-COPY --from=certs /etc/ssl/certs /etc/ssl/certs
-RUN apk add --no-cache ruby ruby-bundler alpine-sdk
-'"$gf"'
 COPY '"${cp[@]}"' /main/
 '"$(for dir in ${cpd[@]}; do printf "COPY $dir /main/${dir##*/}\n"; done)"'
 ENTRYPOINT ["ruby", "/main/'"${main##*/}"'"]