Off topic, but I wanted to highlight the open source contributions that Instacart have made. Have a look at all the good stuff at <a href="https://github.com/ankane" rel="nofollow">https://github.com/ankane</a> - chartkick, ahoy, pghero, searchkick, blazer and more.<p>Edit: should also have linked to <a href="https://www.instacart.com/opensource" rel="nofollow">https://www.instacart.com/opensource</a>