1 files changed, 4 insertions(+), 0 deletions(-)

M 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 {