2021-08-07 00:08:36 +00:00
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><link href=https://kubernetes.github.io/ingress-nginx/developer-guide/code-overview/ rel=canonical><link rel="shortcut icon" href=../../assets/images/favicon.png><meta name=generator content="mkdocs-1.1.2, mkdocs-material-6.2.4"><title>Code Overview - NGINX Ingress Controller</title><link rel=stylesheet href=../../assets/stylesheets/main.15aa0b43.min.css><link rel=stylesheet href=../../assets/stylesheets/palette.75751829.min.css><meta name=theme-color content=#009485><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback"><style>body,input{font-family:"Roboto",-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono",SFMono-Regular,Consolas,Menlo,monospace}</style><link rel=stylesheet href=../../extra.css><script>window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)},ga.l=+new Date,ga("create","UA-118407822-1","kubernetes.github.io"),ga("set","anonymizeIp",!0),ga("send","pageview"),document.addEventListener("DOMContentLoaded",function(){document.forms.search&&document.forms.search.query.addEventListener("blur",function(){if(this.value){var e=document.location.pathname;ga("send","pageview",e+"?q="+this.value)}})}),document.addEventListener("DOMContentSwitch",function(){ga("send","pageview",document.location.pathname)})</script><script async src=https://www.google-analytics.com/analytics.js></script></head> <body dir=ltr data-md-color-scheme data-md-color-primary=teal data-md-color-accent=green> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#ingress-nginx-code-overview class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header-nav md-grid" aria-label=Header> <a href=https://kubernetes.github.io/ingress-nginx title="NGINX Ingress Controller" class="md-header-nav__button md-logo" aria-label="NGINX Ingress Controller"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 003-3 3 3 0 00-3-3 3 3 0 00-3 3 3 3 0 003 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54z"/></svg> </a> <label class="md-header-nav__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg> </label> <div class=md-header-nav__title data-md-component=header-title> <div class=md-header-nav__ellipsis> <div class=md-header-nav__topic> <span class=md-ellipsis> NGINX Ingress Controller </span> </div> <div class=md-header-nav__topic> <span class=md-ellipsis> Code Overview </span> </div> </div> </div> <label class="md-header-nav__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0116 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 019.5 16 6.5 6.5 0 013 9.5 6.5 6.5 0 019.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocomplete=off spellcheck=false data-md-component=search-query data-md-state=active required> <label class="md-search__icon md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0116 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 019.
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