From aa580b24873a23f97505af83d6fdc54914ea47e1 Mon Sep 17 00:00:00 2001
From: Grant Slater <github@firefishy.com>
Date: Wed, 3 Apr 2024 17:08:49 +0100
Subject: [PATCH] imagery: retry proxy errors

---
 .../templates/default/nginx_imagery_layer_fragment.conf.erb    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb b/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb
index c4271690d..44078b2e2 100644
--- a/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb
+++ b/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb
@@ -22,6 +22,9 @@ location ~* "^/layer/<%= @layer %>/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" {
   proxy_cache_valid 200 204 180d;
   proxy_cache_use_stale error timeout updating http_502 http_503 http_504;
   proxy_cache_background_update on;
+  proxy_next_upstream error timeout invalid_header http_500 http_503;
+  proxy_next_upstream_tries 3;
+  proxy_next_upstream_timeout 30s;
 
 <% else -%>
   # Override QUERY_STRING to force mapserver query parameters
-- 
2.45.1