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@@ -111,6 +111,7 @@ $(addBlockSwitches);
<li><a href="#_addrequestheader_gatewayfilter_factory">AddRequestHeader GatewayFilter Factory</a></li>
<li><a href="#_addrequestparameter_gatewayfilter_factory">AddRequestParameter GatewayFilter Factory</a></li>
<li><a href="#_addresponseheader_gatewayfilter_factory">AddResponseHeader GatewayFilter Factory</a></li>
<li><a href="#_deduperesponseheader_gatewayfilter_factory">DedupeResponseHeader GatewayFilter Factory</a></li>
<li><a href="#hystrix">Hystrix GatewayFilter Factory</a></li>
<li><a href="#fallback-headers">FallbackHeaders GatewayFilter Factory</a></li>
<li><a href="#_prefixpath_gatewayfilter_factory">PrefixPath GatewayFilter Factory</a></li>
@@ -698,7 +699,7 @@ If two hops of trusted infrastructure are required before Spring Cloud Gateway i
cloud:
gateway:
routes:
- id: add_request_header_route
- id: add_response_header_route
uri: http://example.org
filters:
- AddResponseHeader=X-Response-Foo, Bar</code></pre>
@@ -709,6 +710,31 @@ If two hops of trusted infrastructure are required before Spring Cloud Gateway i
</div>
</div>
<div class="sect2">
<h3 id="_deduperesponseheader_gatewayfilter_factory"><a class="link" href="#_deduperesponseheader_gatewayfilter_factory">DedupeResponseHeader GatewayFilter Factory</a></h3>
<div class="paragraph">
<p>The DedupeResponseHeader GatewayFilter Factory takes a <code>name</code> parameter and an optional <code>strategy</code> parameter. <code>name</code> can contain a list of header names, space separated.</p>
</div>
<div class="listingblock">
<div class="title">application.yml</div>
<div class="content">
<pre class="highlightjs highlight"><code class="language-yaml hljs" data-lang="yaml">spring:
cloud:
gateway:
routes:
- id: dedupe_response_header_route
uri: http://example.org
filters:
- DedupeResponseHeader=Access-Control-Allow-Credentials Access-Control-Allow-Origin</code></pre>
</div>
</div>
<div class="paragraph">
<p>This will remove duplicate values of <code>Access-Control-Allow-Credentials</code> and <code>Access-Control-Allow-Origin</code> response headers in cases when both the gateway CORS logic and the downstream add them.</p>
</div>
<div class="paragraph">
<p>The DedupeResponseHeader filter also accepts an optional <code>strategy</code> parameter. The accepted values are <code>RETAIN_FIRST</code> (default), <code>RETAIN_LAST</code>, and <code>RETAIN_UNIQUE</code>.</p>
</div>
</div>
<div class="sect2">
<h3 id="hystrix"><a class="link" href="#hystrix">Hystrix GatewayFilter Factory</a></h3>
<div class="paragraph">
<p><a href="https://github.com/Netflix/Hystrix">Hystrix</a> is a library from Netflix that implements the <a href="https://martinfowler.com/bliki/CircuitBreaker.html">circuit breaker pattern</a>.