<p>Other than that it appears your bundler install is broken but you've provided no details of how you installed that or even what instructions you are following, what your platform us, or anything else.</p>
<p>I'm not even sure how <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=5842757" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/mmd-osm">@mmd-osm</a> has concluded that you're using docker...</p>

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