From e755ee7aa6b3667a7c01ac45fb5c9b063382551c Mon Sep 17 00:00:00 2001
From: Rhys Arkins <rhys@arkins.net>
Date: Wed, 19 Sep 2018 19:54:52 +0200
Subject: [PATCH] fix(docker): look up latest tag correctly

---
 lib/datasource/docker.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/datasource/docker.js b/lib/datasource/docker.js
index 3ea57311d7..f75338b1ff 100644
--- a/lib/datasource/docker.js
+++ b/lib/datasource/docker.js
@@ -112,7 +112,8 @@ async function getDigest(config, newValue) {
     newTag += `-${tagSuffix}`;
   }
   try {
-    const url = `${massagedRegistry}/v2/${repository}/manifests/${newTag}`;
+    const url = `${massagedRegistry}/v2/${repository}/manifests/${newTag ||
+      'latest'}`;
     const cacheNamespace = 'datasource-docker-digest';
     const cachedResult = await renovateCache.get(cacheNamespace, url);
     if (cachedResult) {
-- 
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