k3s-cluster/openwebui/openwebui.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: openwebui-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: open-webui
  name: open-webui
spec:
  replicas: 1
  selector:
    matchLabels:
      app: open-webui
  template:
    metadata:
      labels:
        app: open-webui
    spec:
      # Prevent scheduling on Raspberry Pi due to high resource requirements (1Gi-2Gi memory, 1-2 CPU)
      nodeSelector:
        hardware: high-memory
      volumes:
      - name: webui-data
        persistentVolumeClaim:
          claimName: openwebui-pvc
      containers:
      - image: ghcr.io/open-webui/open-webui
        name: open-webui
        ports:
        - containerPort: 8080
        volumeMounts:
          - name: webui-data
            mountPath: /app/backend/data
        resources:
          requests:
            cpu: 1000m
            memory: 1Gi #128Mi
          limits: 
            cpu: 2000m
            memory: 2Gi
        livenessProbe:
          httpGet:
            path: /
            port: 8080
            scheme: HTTP
          initialDelaySeconds: 5
          timeoutSeconds: 2
          periodSeconds: 10
          successThreshold: 1
          failureThreshold: 5
        readinessProbe:
          httpGet:
            path: /
            port: 8080
            scheme: HTTP
          initialDelaySeconds: 5
          timeoutSeconds: 2
          periodSeconds: 5
          successThreshold: 1
          failureThreshold: 3
        startupProbe:
          httpGet:
            path: /
            port: 8080
            scheme: HTTP
          initialDelaySeconds: 5
          timeoutSeconds: 2
          periodSeconds: 5
          successThreshold: 1
          failureThreshold: 30
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: open-webui
  name: open-webui-service
spec:
  ports:
    - name: http
      port: 80
      targetPort: 8080
  selector:
    app: open-webui