      common_http_protocol_options:
            idle_timeout: 30s
</code></pre>
<p>The following example enables Envoy&rsquo;s Lua filter for all inbound
HTTP calls arriving at service port 8080 of the reviews service pod
with labels &ldquo;app: reviews&rdquo;, in the bookinfo namespace. The lua
filter calls out to an external service internal.org.net:8888 that
requires a special cluster definition in envoy. The cluster is also
added to the sidecar as part of this configuration.</p>
<pre><code class="langua