From cb7adde2a4607913e1c2edd4001f76083b41f449 Mon Sep 17 00:00:00 2001
From: Leonard Jonathan Oh <leonardjonathanoh@live.com>
Date: Mon, 10 Apr 2023 07:06:46 +0000
Subject: [PATCH] Use correct sha for pr

---
 .github/workflows/docker.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index d86baa139..1b6efa4e4 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -28,6 +28,9 @@ jobs:
     - name: Docker meta
       id: meta
       uses: docker/metadata-action@v4
+      env:
+        # This env var ensures {{sha}} is a real commit SHA for type=ref,event=pr
+        DOCKER_METADATA_PR_HEAD_SHA: 'true'
       with:
         images: |
           ${{ github.repository }}