apiVersion: v1
kind: Namespace
metadata:
  name: automation
  labels:
    name: automation
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: n8n-pv
  labels:
    app: n8n
spec:
  capacity:
    storage: 20Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Retain
  storageClassName: local-ssd
  local:
    path: /mnt/local-ssd/n8n
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: kubernetes.io/hostname
          operator: In
          values:
          - hetzner-2
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: n8n-data
  namespace: automation
  labels:
    app: n8n
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: local-ssd
  resources:
    requests:
      storage: 20Gi
  selector:
    matchLabels:
      app: n8n
---
apiVersion: v1
kind: Secret
metadata:
  name: n8n-secrets
  namespace: automation
type: Opaque
stringData:
  # Generate a strong encryption key with: openssl rand -base64 32
  N8N_ENCRYPTION_KEY: "G/US0ePajEpWwRUjlchyOs6+6I/AT+0bisXmE2fugSU="
  # Optional: Database connection if using PostgreSQL
  DB_TYPE: "postgresdb"
  DB_POSTGRESDB_HOST: "pg.betelgeusebytes.io"
  DB_POSTGRESDB_PORT: "5432"
  DB_POSTGRESDB_DATABASE: "n8n"
  DB_POSTGRESDB_USER: "app"
  DB_POSTGRESDB_PASSWORD: "pa$$word"
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: n8n
  namespace: automation
spec:
  serviceName: n8n
  replicas: 1
  selector:
    matchLabels:
      app: n8n
  template:
    metadata:
      labels:
        app: n8n
    spec:
      nodeSelector:
        kubernetes.io/hostname: hetzner-2
      containers:
      - name: n8n
        image: n8nio/n8n:latest
        ports:
        - containerPort: 5678
          name: http
        env:
        - name: N8N_HOST
          value: "n8n.betelgeusebytes.io"
        - name: N8N_PORT
          value: "5678"
        - name: N8N_PROTOCOL
          value: "https"
        - name: WEBHOOK_URL
          value: "https://n8n.betelgeusebytes.io/"
        - name: GENERIC_TIMEZONE
          value: "UTC"
        - name: N8N_ENCRYPTION_KEY
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: N8N_ENCRYPTION_KEY
        # Uncomment if using PostgreSQL
        - name: DB_TYPE
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: DB_TYPE
        - name: DB_POSTGRESDB_HOST
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: DB_POSTGRESDB_HOST
        - name: DB_POSTGRESDB_PORT
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: DB_POSTGRESDB_PORT
        - name: DB_POSTGRESDB_DATABASE
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: DB_POSTGRESDB_DATABASE
        - name: DB_POSTGRESDB_USER
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: DB_POSTGRESDB_USER
        - name: DB_POSTGRESDB_PASSWORD
          valueFrom:
            secretKeyRef:
              name: n8n-secrets
              key: DB_POSTGRESDB_PASSWORD
        volumeMounts:
        - name: n8n-data
          mountPath: /home/node/.n8n
        resources:
          requests:
            memory: "512Mi"
            cpu: "250m"
          limits:
            memory: "2Gi"
            cpu: "1000m"
        livenessProbe:
          httpGet:
            path: /healthz
            port: 5678
          initialDelaySeconds: 60
          periodSeconds: 30
          timeoutSeconds: 10
          failureThreshold: 5
        readinessProbe:
          httpGet:
            path: /healthz
            port: 5678
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3
      volumes:
      - name: n8n-data
        persistentVolumeClaim:
          claimName: n8n-data
---
apiVersion: v1
kind: Service
metadata:
  name: n8n
  namespace: automation
  labels:
    app: n8n
spec:
  type: ClusterIP
  ports:
  - port: 5678
    targetPort: 5678
    protocol: TCP
    name: http
  selector:
    app: n8n
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: n8n
  namespace: automation
  annotations:
    cert-manager.io/cluster-issuer: "letsencrypt-prod"
    # nginx.ingress.kubernetes.io/proxy-body-size: "50m"
    # nginx.ingress.kubernetes.io/proxy-read-timeout: "300"
    # nginx.ingress.kubernetes.io/proxy-send-timeout: "300"
    # Uncomment below if you want basic auth protection in addition to n8n's auth
    # nginx.ingress.kubernetes.io/auth-type: basic
    # nginx.ingress.kubernetes.io/auth-secret: n8n-basic-auth
    # nginx.ingress.kubernetes.io/auth-realm: 'Authentication Required'
spec:
  ingressClassName: nginx
  tls:
  - hosts:
    - n8n.betelgeusebytes.io
    secretName: wildcard-betelgeusebytes-tls
  rules:
  - host: n8n.betelgeusebytes.io
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: n8n
            port:
              number: 5678