Bump remaining apps: major version slots and infrastructure

New version slots (major version jumps):
- gitea: 1.24.3 -> 28.2.0 (slot 1 -> 28)
- ghost: 5.130.6 -> 6.72.0 (slot 5 -> 6)
- formbricks: 3.6.0 -> 6.1.0 (slot 3 -> 6)
- mattermost: 10.8.1 -> 12.0.1 (slot 10 -> 12)
- zulip: 9.4 -> 12.3 (slot 9 -> 12)
- immich: 1.135.3 -> 3.3.5 (slot 1 -> 3)
- openproject: 16.1.1 -> 17.9.3 (slot 16 -> 17)
- listmonk: 5.0.3 -> 6.1.0 (slot 5 -> 6)
- discourse: 3.5.3 -> 2026.10.0 (slot 3 -> 2026, calver)

Same-slot large bumps:
- vllm: 0.9.2 -> 0.32.0
- longhorn: v1.8.1 -> v1.13.0

Infrastructure:
- cert-manager: v1.17.2 -> v1.21.2
- coredns: v1.12.0 -> v1.14.7
- externaldns: v0.13.4 -> v0.23.0
- metallb: v0.15.0 -> v0.16.1
- mysql: 9.1.0 -> 9.7.4
- node-feature-discovery: v0.17.3 -> v0.20.1
- nvidia-device-plugin: v0.17.1 -> v0.20.1

ghost/versions/6/README.md

@@ -0,0 +1,33 @@
+# Ghost
+
+Ghost is a powerful app for new-media creators to publish, share, and grow a business around their content. It provides a clean writing experience with built-in membership and subscription features.
+
+## Dependencies
+
+- **MySQL** - Database for storing content and configuration
+
+## Configuration
+
+Key settings configured through your instance's `config.yaml`:
+
+- **domain** - Where Ghost will be accessible (default: `ghost.{your-cloud-domain}`)
+- **blogTitle** - Your blog's title (default: `My Blog`)
+- **adminEmail** - Admin account email (defaults to your operator email)
+- **storage** - Persistent volume size for content (default: `10Gi`)
+- **SMTP** - Email delivery settings inherited from your Wild Cloud instance
+
+## Access
+
+After deployment, Ghost will be available at:
+- `https://ghost.{your-cloud-domain}` - Public blog
+- `https://ghost.{your-cloud-domain}/ghost` - Admin panel
+
+## First-Time Setup
+
+1. Add and deploy the app:
+   ```bash
+   wild app add ghost
+   wild app deploy ghost
+   ```
+
+2. Navigate to the admin panel and create your first post

ghost/versions/6/db-init-job.yaml

@@ -0,0 +1,45 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: ghost-db-init
+  labels:
+    component: db-init
+spec:
+  template:
+    metadata:
+      labels:
+        component: db-init
+    spec:
+      containers:
+        - name: db-init
+          image: mysql:9.1.0
+          command: ["/bin/bash", "-c"]
+          args:
+            - |
+              mysql -h ${DB_HOSTNAME} -P ${DB_PORT} -u root -p${MYSQL_ROOT_PASSWORD} <<EOF
+              CREATE DATABASE IF NOT EXISTS ${DB_DATABASE_NAME};
+              CREATE USER IF NOT EXISTS '${DB_USERNAME}'@'%' IDENTIFIED BY '${DB_PASSWORD}';
+              ALTER USER '${DB_USERNAME}'@'%' IDENTIFIED BY '${DB_PASSWORD}';
+              GRANT ALL PRIVILEGES ON ${DB_DATABASE_NAME}.* TO '${DB_USERNAME}'@'%';
+              FLUSH PRIVILEGES;
+              EOF
+          env:
+            - name: MYSQL_ROOT_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: ghost-secrets
+                  key: mysql.rootPassword
+            - name: DB_HOSTNAME
+              value: "{{ .db.host }}"
+            - name: DB_PORT
+              value: "{{ .db.port }}"
+            - name: DB_DATABASE_NAME
+              value: "{{ .db.name }}"
+            - name: DB_USERNAME
+              value: "{{ .db.user }}"
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: ghost-secrets
+                  key: dbPassword
+      restartPolicy: OnFailure

ghost/versions/6/deployment.yaml

@@ -0,0 +1,105 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ghost
+  namespace: {{ .namespace }}
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      component: web
+  template:
+    metadata:
+      labels:
+        component: web
+    spec:
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 1000
+        runAsGroup: 1000
+        fsGroup: 1000
+        seccompProfile:
+          type: RuntimeDefault
+      containers:
+        - name: ghost
+          image: ghost:6.72.0-alpine
+          ports:
+            - name: http
+              containerPort: 2368
+              protocol: TCP
+          env:
+            - name: NODE_ENV
+              value: production
+            - name: url
+              value: "https://{{ .domain }}"
+            - name: database__client
+              value: mysql
+            - name: database__connection__host
+              value: "{{ .db.host }}"
+            - name: database__connection__port
+              value: "{{ .db.port }}"
+            - name: database__connection__database
+              value: "{{ .db.name }}"
+            - name: database__connection__user
+              value: "{{ .db.user }}"
+            - name: database__connection__password
+              valueFrom:
+                secretKeyRef:
+                  name: ghost-secrets
+                  key: dbPassword
+            - name: mail__transport
+              value: SMTP
+            - name: mail__options__host
+              value: "{{ .smtp.host }}"
+            - name: mail__options__port
+              value: "{{ .smtp.port }}"
+            - name: mail__options__auth__user
+              value: "{{ .smtp.user }}"
+            - name: mail__options__auth__pass
+              valueFrom:
+                secretKeyRef:
+                  name: ghost-secrets
+                  key: smtpPassword
+            - name: mail__from
+              value: "{{ .smtp.from }}"
+          resources:
+            limits:
+              cpu: 1000m
+              ephemeral-storage: 2Gi
+              memory: 512Mi
+            requests:
+              cpu: 50m
+              ephemeral-storage: 50Mi
+              memory: 256Mi
+          volumeMounts:
+            - name: ghost-data
+              mountPath: /var/lib/ghost/content
+          livenessProbe:
+            httpGet:
+              path: /ghost/api/admin/site/
+              port: 2368
+            initialDelaySeconds: 120
+            timeoutSeconds: 5
+            periodSeconds: 30
+            failureThreshold: 6
+          readinessProbe:
+            httpGet:
+              path: /ghost/api/admin/site/
+              port: 2368
+            initialDelaySeconds: 60
+            timeoutSeconds: 5
+            periodSeconds: 15
+            failureThreshold: 3
+          securityContext:
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+                - ALL
+            readOnlyRootFilesystem: false
+      volumes:
+        - name: ghost-data
+          persistentVolumeClaim:
+            claimName: ghost-data
+      restartPolicy: Always

ghost/versions/6/ingress.yaml

@@ -0,0 +1,18 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: ghost
+  namespace: ghost
+spec:
+  ingressClassName: traefik
+  rules:
+    - host: {{ .domain }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: ghost
+                port:
+                  number: 80

ghost/versions/6/kustomization.yaml

@@ -0,0 +1,16 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: ghost
+labels:
+  - includeSelectors: true
+    pairs:
+      app: ghost
+      managedBy: kustomize
+      partOf: wild-cloud
+resources:
+  - namespace.yaml
+  - db-init-job.yaml
+  - deployment.yaml
+  - service.yaml
+  - ingress.yaml
+  - pvc.yaml

ghost/versions/6/manifest.yaml

@@ -0,0 +1,23 @@
+version: 6.72.0
+requires:
+- name: mysql
+- name: smtp
+defaultConfig:
+  namespace: ghost
+  domain: ghost.{{ .cloud.domain }}
+  storage: 2Gi
+  db:
+    host: '{{ .apps.mysql.host }}'
+    port: '3306'
+    name: ghost
+    user: ghost
+  smtp:
+    host: '{{ .apps.smtp.host }}'
+    port: '{{ .apps.smtp.port }}'
+    from: '{{ .apps.smtp.from }}'
+    user: '{{ .apps.smtp.user }}'
+defaultSecrets:
+- key: dbPassword
+- key: smtpPassword
+requiredSecrets:
+- mysql.rootPassword

ghost/versions/6/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: "{{ .namespace }}"

ghost/versions/6/pvc.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: ghost-data
+  namespace: ghost
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .storage }}

ghost/versions/6/service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: ghost
+  namespace: ghost
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: 2368
+  selector:
+    component: web