feat(helm): Horizon deployment (Recreate strategy, 60s grace)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

helm/ezscale-website/templates/deployment-horizon.yaml

@@ -0,0 +1,62 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "ezscale-website.fullname" . }}-horizon
+  labels:
+    {{- include "ezscale-website.labels" . | nindent 4 }}
+    app.kubernetes.io/component: horizon
+spec:
+  replicas: {{ .Values.horizon.replicaCount }}
+  # Horizon needs SIGTERM + drain time. Don't run two replicas during update.
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      {{- include "ezscale-website.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: horizon
+  template:
+    metadata:
+      labels:
+        {{- include "ezscale-website.selectorLabels" . | nindent 8 }}
+        app.kubernetes.io/component: horizon
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      terminationGracePeriodSeconds: 60
+      containers:
+        - name: horizon
+          image: {{ include "ezscale-website.image" (dict "ctx" . "role" "horizon") }}
+          envFrom:
+            - configMapRef:
+                name: {{ include "ezscale-website.fullname" . }}-env
+            - secretRef:
+                name: {{ include "ezscale-website.secretName" . }}
+          volumeMounts:
+            - name: oauth-keys
+              mountPath: /var/www/html/secrets
+              readOnly: true
+          resources:
+            {{- toYaml .Values.horizon.resources | nindent 12 }}
+          livenessProbe:
+            exec:
+              command:
+                - php
+                - artisan
+                - horizon:status
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            timeoutSeconds: 10
+      volumes:
+        - name: oauth-keys
+          secret:
+            secretName: {{ include "ezscale-website.secretName" . }}
+            items:
+              - key: oauth-private.key
+                path: oauth-private.key
+              - key: oauth-public.key
+                path: oauth-public.key
+            optional: true