From c32ce8677c2d62859c5a29f08ed2819e87353010 Mon Sep 17 00:00:00 2001
From: Simon Li <orpheus+devel@gmail.com>
Date: Tue, 8 Sep 2020 11:32:26 +0100
Subject: [PATCH] Docker workflow try adding tag

---
 .github/workflows/docker.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index e08dfbb6e..79f862fa9 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -18,7 +18,8 @@ jobs:
         uses: docker/build-push-action@v1
         with:
           repository: jupyter/repo2docker
+          tags: pr
           push: false
 
       - name: Run repo2docker Docker image
-        run: docker run jupyter/repo2docker repo2docker --version
+        run: docker run jupyter/repo2docker:pr repo2docker --version