From 1ebbd3ea9123ce2309607cdeb22f628807e3910f Mon Sep 17 00:00:00 2001
From: Arthur Meyre <arthur.meyre@zama.ai>
Date: Wed, 25 Aug 2021 15:45:10 +0200
Subject: [PATCH] fix(build): only allow one Docker image build per ref/branch

---
 .github/workflows/docker-env.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/docker-env.yaml b/.github/workflows/docker-env.yaml
index 2b76c14e1..696e23f0b 100644
--- a/.github/workflows/docker-env.yaml
+++ b/.github/workflows/docker-env.yaml
@@ -12,6 +12,10 @@ on:
 
 jobs:
   build_publish:
+    concurrency:
+      group: ${{ github.ref }}
+      cancel-in-progress: true
+
     name: Build & Push the HDK env Docker Image
     runs-on: ubuntu-20.04
     env: