Fix npm/yarn cache cleaning
@ -29,7 +29,8 @@ RUN BUILD_DEPS=" \
&& npm install -g npm@3 && npm install -g yarn \
&& bundle install --deployment --without test development \
&& yarn \
&& npm cache clean \
&& yarn cache clean \
&& npm -g cache clean \
&& apk del $BUILD_DEPS \
&& rm -rf /tmp/* /var/cache/apk/*