From e8ddab92c92283c878eb0b41f9c2ed271a2fadc3 Mon Sep 17 00:00:00 2001
From: Matthias Wirth <matthias.wirth@gmail.com>
Date: Sun, 21 Mar 2021 14:13:34 +0100
Subject: [PATCH] reduce cache lifetime for traces

---
 88-tar1090.conf | 2 +-
 nginx.conf      | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/88-tar1090.conf b/88-tar1090.conf
index da78cad..bce3f4d 100644
--- a/88-tar1090.conf
+++ b/88-tar1090.conf
@@ -49,7 +49,7 @@ $HTTP["url"] =~ "^/INSTANCE/data/globe.*" {
 $HTTP["url"] =~ "^/INSTANCE/data/traces/" {
     compress.filetype = ()
     setenv.add-response-header += (
-        "Cache-Control" => "public, max-age=10",
+        "Cache-Control" => "public, max-age=2",
         "Content-Encoding" => "gzip",
         )
 }
diff --git a/nginx.conf b/nginx.conf
index 7ecdc66..cd9bf13 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -7,12 +7,12 @@ location /INSTANCE/data/ {
   location /INSTANCE/data/traces/ {
     location ~ trace_recent {
       gzip off;
-      add_header Cache-Control "public, max-age=5";
+      add_header Cache-Control "private, max-age=2";
       add_header Content-Encoding "gzip";
     }
     location ~ trace_full {
       gzip off;
-      add_header Cache-Control "public, max-age=200";
+      add_header Cache-Control "private, max-age=2";
       add_header Content-Encoding "gzip";
     }
   }