<p><code>Dictionary of strings; optional; values are subject to
<a href="${link make-variables#location}">$(location)</a> and
<a href="${link make-variables}">"Make variable"</a> substitution</code></p>

<p>Specifies additional environment variables to set when the target is
  executed by <code>bazel run</code>.
</p>

<p>
  This attribute only applies to native rules, like <code>cc_binary</code>, <code>py_binary</code>,
  and <code>sh_binary</code>.  It does not apply to Starlark-defined executable rules.
</p>

<p>
<em class="harmful">NOTE: The environment variables are not set when you run the target
outside of Bazel (for example, by manually executing the binary in
<code>bazel-bin/</code>).</em>
</p>