From c7ae7a07e01ef348e6a0d583fa301647f65dfe16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Sat, 19 Aug 2023 01:49:17 +0200
Subject: [PATCH] keycloak: Increase nginx header size

---
 roles/keycloak/files/keycloak.conf | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/roles/keycloak/files/keycloak.conf b/roles/keycloak/files/keycloak.conf
index 0907876..6604959 100644
--- a/roles/keycloak/files/keycloak.conf
+++ b/roles/keycloak/files/keycloak.conf
@@ -13,6 +13,10 @@ server {
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $remote_addr;
         proxy_set_header X-Forwarded-Proto $scheme;
+
+        # XXX: upstream sent too big header while reading response header from upstream
+        # https://github.com/keycloak/keycloak/issues/16181
+        proxy_buffer_size 8k;
     }
 
     location /metrics {
-- 
2.44.0