From 6667986807410f79ae85d39e36601014fb34bea3 Mon Sep 17 00:00:00 2001
From: Peter Evans <peter-evans@users.noreply.github.com>
Date: Tue, 5 Nov 2019 10:42:55 +0900
Subject: [PATCH] Cache all non missing layers

---
 examples.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples.md b/examples.md
index a678308..5dc2dad 100644
--- a/examples.md
+++ b/examples.md
@@ -180,7 +180,7 @@ Using [NuGet lock files](https://docs.microsoft.com/nuget/consume-packages/packa
   if: steps.cache.outputs.cache-hit != 'true'
   run: |
     docker build --cache-from my-image -t my-image .
-    docker save my-image > my-image.tar
+    docker save my-image $(docker history -q my-image | awk '!/<missing>/{print}') > my-image.tar
     mkdir docker-cache
     split -b 100m my-image.tar docker-cache/x
 ```