From 1df97769763e0e2c18fccf6e02cdc1487dbf0b05 Mon Sep 17 00:00:00 2001
From: Daniel Emery <danielremery@gmail.com>
Date: Thu, 29 Feb 2024 11:24:12 +0100
Subject: [PATCH] Add concurrency flag to each job to resolve race conditions

---
 .github/workflows/deploy-existing-release.yml | 5 +++++
 .github/workflows/main.yml                    | 5 +++++
 .github/workflows/publish-new-release.yml     | 5 +++++
 3 files changed, 15 insertions(+)

diff --git a/.github/workflows/deploy-existing-release.yml b/.github/workflows/deploy-existing-release.yml
index 6e46a8b..0188ce3 100644
--- a/.github/workflows/deploy-existing-release.yml
+++ b/.github/workflows/deploy-existing-release.yml
@@ -3,6 +3,11 @@ name: Deploy Existing Release
 on:
   workflow_dispatch:
 
+# Ensure only one instance of either this or the publish workflow is running at a time
+# This ensures that we don't put production into an inconsistent state
+concurrency:
+  group: 'prod-deployment'
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e55ecf4..73530f1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -4,6 +4,11 @@ on:
   push:
     branches: ["main"]
 
+# Ensure only one instance of the workflow is running at a time
+# This helps with race conditions when upserting releases
+concurrency:
+  group: 'main'
+
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
diff --git a/.github/workflows/publish-new-release.yml b/.github/workflows/publish-new-release.yml
index 1bf80ae..073c352 100644
--- a/.github/workflows/publish-new-release.yml
+++ b/.github/workflows/publish-new-release.yml
@@ -3,6 +3,11 @@ name: Publish New Release
 on:
   workflow_dispatch:
 
+# Ensure only one instance of either this or the deploy workflow is running at a time
+# This ensures that we don't put production into an inconsistent state
+concurrency:
+  group: 'prod-deployment'
+
 jobs:
   deploy:
     runs-on: ubuntu-latest