From e4e55113febf23176c35113a8f549a964d611217 Mon Sep 17 00:00:00 2001
From: Jeroen Knoops <jeroen.knoops@philips.com>
Date: Mon, 21 Feb 2022 20:07:50 +0100
Subject: [PATCH] Add info on COSIGN_DOCKER_MEDIA_TYPES

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 0c5361d..a392a08 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,10 @@ Please make sure this is a GitHub Secret.
 **Optional** Cosign Public Key used to attach provenance file.
 No need to put this in GitHub Secret vault. Good practice is to put this also in a repo as `cosign.pub`.
 
+### `COSIGN_DOCKER_MEDIA_TYPES`
+
+**Optional** Cosign supports older MEDIA_TYPES.
+You can set this to `1` with this environment variable. Can be used for Artifactory for example.
 
 <!-- action-docs-outputs -->
 ## Outputs