From 1f4e12819778dc119fd0733e981d6755f7c8a584 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A1vid=20Danyi?= <david.danyi@ericsson.com>
Date: Tue, 15 Aug 2017 17:07:39 +0200
Subject: [PATCH] * avatar cache expiry

---
 src/App/Action/AvatarAction.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/App/Action/AvatarAction.php b/src/App/Action/AvatarAction.php
index fe5366b..ed6b298 100644
--- a/src/App/Action/AvatarAction.php
+++ b/src/App/Action/AvatarAction.php
@@ -26,8 +26,9 @@ class AvatarAction implements ServerMiddlewareInterface
         }
 
         $avatarData = $this->avatarService->getAvatarData($signum);
-        return new TextResponse($avatarData, 200, [
+        return (new TextResponse($avatarData, 200, [
             'content-type' => 'image/png',
-        ]);
+        ]))->withHeader('Expires', '0')
+            ->withHeader('Cache-Control', 'must-revalidate');
     }
 }