From 12cceaa779092ca673636738b7f1b7f7ff2c8ca2 Mon Sep 17 00:00:00 2001
From: nicktrn <55853254+nicktrn@users.noreply.github.com>
Date: Tue, 30 Sep 2025 15:31:04 +0100
Subject: [PATCH] feat(helm): support topology spread constraints for webapp
 (#2560)

* feat(helm): support topology spread constraints

* chore(helm): update topology env var

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* chore(helm): limit spread constraints to webapp for now

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
---
 hosting/k8s/helm/Chart.yaml            | 2 +-
 hosting/k8s/helm/templates/webapp.yaml | 4 ++++
 hosting/k8s/helm/values.yaml           | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/hosting/k8s/helm/Chart.yaml b/hosting/k8s/helm/Chart.yaml
index 42d962130..f88378829 100644
--- a/hosting/k8s/helm/Chart.yaml
+++ b/hosting/k8s/helm/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: trigger
 description: The official Trigger.dev Helm chart
 type: application
-version: 4.0.1
+version: 4.0.2
 appVersion: v4.0.4
 home: https://trigger.dev
 sources:
diff --git a/hosting/k8s/helm/templates/webapp.yaml b/hosting/k8s/helm/templates/webapp.yaml
index f9f59c363..77bb915af 100644
--- a/hosting/k8s/helm/templates/webapp.yaml
+++ b/hosting/k8s/helm/templates/webapp.yaml
@@ -419,6 +419,10 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.webapp.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- tpl (toYaml .) $ | nindent 8 }}
+      {{- end }}
 ---
 apiVersion: v1
 kind: Service
diff --git a/hosting/k8s/helm/values.yaml b/hosting/k8s/helm/values.yaml
index 5f8fdaf04..257d19996 100644
--- a/hosting/k8s/helm/values.yaml
+++ b/hosting/k8s/helm/values.yaml
@@ -69,6 +69,8 @@ webapp:
   nodeSelector: {}
   tolerations: []
   affinity: {}
+  # Topology Spread Constraints for pod assignment spread across your cluster among failure-domains. Evaluated as a template
+  topologySpreadConstraints: []
 
   logLevel: "info"
   gracefulShutdownTimeout: 1000