app.yaml

apiVersion: v1
kind: ConfigMap
metadata:
    namespace: hoteler-namespace
    name: hoteler-web-config
data:
    backend_url: http://hoteler-api:8443
---
apiVersion: apps/v1
kind: Deployment
metadata:
    namespace: hoteler-namespace
    name: hoteler-web
    labels:
        app: hoteler-web
spec:
    replicas: 1
    selector:
        matchLabels:
            app: hoteler-web
    template:
        metadata:
            labels:
                app: hoteler-web
            name: hoteler-web
        spec:
            containers:
                - name: hoteler-web
                  image: hoteler-web
                  imagePullPolicy: IfNotPresent
                  ports:
                      - containerPort: 80
                  resources:
                      limits:
                          cpu: '200m'
                          memory: '256Mi'
                      requests:
                          cpu: '100m'
                          memory: '128Mi'
                  env:
                      - name: BACKEND_URL
                        valueFrom:
                            configMapKeyRef:
                                name: hoteler-web-config
                                key: backend_url
---
apiVersion: v1
kind: Service
metadata:
    namespace: hoteler-namespace
    name: hoteler-web
    labels:
        app: hoteler-web
spec:
    ports:
        - port: 80
          targetPort: 80
          nodePort: 30001
    type: NodePort
    selector:
        app: hoteler-web
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
    namespace: hoteler-namespace
    name: hoteler-web
spec:
    rules:
        - host: hoteler.damingerdai.com
          http:
              paths:
                  - path: /
                    pathType: Prefix
                    backend:
                        service:
                            name: hoteler-web
                            port:
                                number: 80