From d12689cd52021ac28a1cb045fe8e9e430bb4f364 Mon Sep 17 00:00:00 2001 From: Nicolas Duchon Date: Tue, 26 Dec 2023 19:10:42 +0100 Subject: [PATCH] docs: keepalive auto setting --- docs/README.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/README.md b/docs/README.md index f59d2aa..431fe60 100644 --- a/docs/README.md +++ b/docs/README.md @@ -520,7 +520,9 @@ services: > **Warning** > This feature is experimental. The behavior may change (or the feature may be removed entirely) without warning in a future release, even if the release is not a new major version. If you use this feature, or if you would like to use this feature but you require changes to it first, please [provide feedback in #2194](https://github.com/nginx-proxy/nginx-proxy/discussions/2194). Once we have collected enough feedback we will promote this feature to officially supported. -To enable HTTP keep-alive between `nginx-proxy` and a backend server, set the `com.github.nginx-proxy.nginx-proxy.keepalive` label on the server's container to the desired maximum number of idle connections. See the [nginx keepalive documentation](https://nginx.org/en/docs/http/ngx_http_upstream_module.html#keepalive) and the [Docker label documentation](https://docs.docker.com/config/labels-custom-metadata/) for details. +To enable HTTP keep-alive between `nginx-proxy` and backend server(s), set the `com.github.nginx-proxy.nginx-proxy.keepalive` label on the server's container either to `auto` or to the desired maximum number of idle connections. The `auto` setting will dynamically set the maximum number of idle connections to twice the number of servers listed in the corresponding `upstream{}` block, [per nginx recommendation](https://www.nginx.com/blog/avoiding-top-10-nginx-configuration-mistakes/#no-keepalives). + +See the [nginx keepalive documentation](https://nginx.org/en/docs/http/ngx_http_upstream_module.html#keepalive) and the [Docker label documentation](https://docs.docker.com/config/labels-custom-metadata/) for details. ### Headers