From a032c9f42e7f6f7f63223af2e3b12a49e52eca89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20=C5=A0ediv=C3=BD?= <sedivy.miro@gmail.com>
Date: Fri, 4 Apr 2025 22:15:53 +0200
Subject: [PATCH] dockerhub: allow only one workflow to run at a time.

---
 .github/workflows/dockerhub.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index fb56a43d..d8489096 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -13,6 +13,12 @@ on:
   schedule:
     - cron: "43 2 * * 1"
 
+# allow only one workflow to run at a time
+# and cancel in-progress jobs if a new one is triggered
+concurrency:
+  group: "dockerhub"
+  cancel-in-progress: true
+
 env:
   DOCKER_IMAGE: m1k1o/neko