From af4ad62222d44c832b8734a9b9d60944ae5b1952 Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@reddit.com>
Date: Wed, 25 Jul 2018 20:07:11 -0700
Subject: [PATCH] Cache `/api/live/happening_now`.

This is requested 800-1000/s at peak and rarely changes.
---
 reddit_liveupdate/controllers.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/reddit_liveupdate/controllers.py b/reddit_liveupdate/controllers.py
index fb81f8c..8494b43 100644
--- a/reddit_liveupdate/controllers.py
+++ b/reddit_liveupdate/controllers.py
@@ -1145,6 +1145,8 @@ def GET_happening_now(self):
         if not is_api():
             self.abort404()
 
+        response.headers["Cache-Control"] = "max-age=300"
+
         featured_event = get_featured_event()
         if not featured_event:
             response.status_code = 204