From 4f5f26287aeae1436fbd48ea0c9c10178728dc31 Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Sat, 26 Jul 2025 16:05:03 -0500
Subject: [PATCH] Add concurrency control to deploy workflow

- Cancels any in-progress deployment when a new commit is pushed
- Prevents multiple deployments from running simultaneously
- Uses concurrency group based on branch ref
- Saves CI/CD resources and prevents conflicting deployments

Co-Authored-By: Claude <noreply@anthropic.com>
---
 .github/workflows/deploy.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 40640d8..c8b5e88 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -4,6 +4,11 @@ on:
   push:
     branches: [main]
 
+# Cancel in-progress runs when a new run is triggered
+concurrency:
+  group: deploy-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}