From 550fce3250c5f9ff51aa299aac787f18747de0d4 Mon Sep 17 00:00:00 2001
From: Blake Blackshear <blakeb@blakeshome.com>
Date: Sun, 9 Jun 2024 12:13:06 -0500
Subject: [PATCH] improve caching

---
 docker/main/rootfs/usr/local/nginx/conf/nginx.conf | 2 ++
 frigate/api/media.py                               | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/docker/main/rootfs/usr/local/nginx/conf/nginx.conf b/docker/main/rootfs/usr/local/nginx/conf/nginx.conf
index bcd135e51..7bf7ef59e 100644
--- a/docker/main/rootfs/usr/local/nginx/conf/nginx.conf
+++ b/docker/main/rootfs/usr/local/nginx/conf/nginx.conf
@@ -131,6 +131,8 @@ http {
                 image/jpeg jpg;
             }
 
+            expires 7d;
+            add_header Cache-Control "public";
             autoindex on;
             root /media/frigate;
         }
diff --git a/frigate/api/media.py b/frigate/api/media.py
index b081e7fea..8222fddaf 100644
--- a/frigate/api/media.py
+++ b/frigate/api/media.py
@@ -1232,7 +1232,7 @@ def preview_gif(camera_name: str, start_ts, end_ts, max_cache_age=2592000):
 
 @MediaBp.route("/<camera_name>/start/<int:start_ts>/end/<int:end_ts>/preview.mp4")
 @MediaBp.route("/<camera_name>/start/<float:start_ts>/end/<float:end_ts>/preview.mp4")
-def preview_mp4(camera_name: str, start_ts, end_ts, max_cache_age=2592000):
+def preview_mp4(camera_name: str, start_ts, end_ts, max_cache_age=604800):
     file_name = f"preview_{camera_name}_{start_ts}-{end_ts}.mp4"
 
     if len(file_name) > 1000: