From 5e6149879285f0e66ca7ece62b7678be25263b1c Mon Sep 17 00:00:00 2001
From: forkbomber <forkbomber@users.noreply.github.com>
Date: Fri, 23 Sep 2016 20:37:23 +0000
Subject: [PATCH] Do not add second Api-Version header

Only append "additional" Docker-Distribution-Api-Version header in case
none were received from upstream.

Signed-off-by: forkbomber <forkbomber@users.noreply.github.com>
---
 docs/recipes/nginx.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/docs/recipes/nginx.md b/docs/recipes/nginx.md
index 89a5834ec..5a0c05d00 100644
--- a/docs/recipes/nginx.md
+++ b/docs/recipes/nginx.md
@@ -100,8 +100,7 @@ http {
   ## In the case of nginx performing auth, the header will be unset
   ## since nginx is auth-ing before proxying.
   map $upstream_http_docker_distribution_api_version $docker_distribution_api_version {
-    'registry/2.0' '';
-    default registry/2.0;
+    '' 'registry/2.0';
   }
 
   server {