feedback-sentiment-app-single-pod.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongodb-data-pvc
spec:
  #  volumeName: mongodb-data-pv
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 2Gi
  selector:
    matchLabels:
      app: mongo
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: feedback-service-env
  namespace: default
data:
  PORT: "3000"
  DB_URI: "mongodb://localhost:27017/feedback"
  SENTIMENT_URI: "http://localhost:5000/api/get_sentiment"
  FEEDBACK_SERVICE_URI: "http://localhost:3000/api/feedback"

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: feedback-sentiment-deployment
  labels:
    app: feedback
spec:
  replicas: 1
  selector:
    matchLabels:
      app: feedback
  template:
    metadata:
      labels:
        app: feedback
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: kubernetes.io/os
                    operator: In
                    values:
                      - linux
      containers:
        - name: feedback-service
          image: feedback-service:latest
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 3000
          env:
            - name: PORT
              valueFrom:
                configMapKeyRef:
                  name: feedback-service-env
                  key: PORT
            - name: DB_URI
              valueFrom:
                configMapKeyRef:
                  name: feedback-service-env
                  key: DB_URI
            - name: SENTIMENT_URI
              valueFrom:
                configMapKeyRef:
                  name: feedback-service-env
                  key: SENTIMENT_URI
        - name: sentiment-service
          image: sentiment-service:latest
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 5000
        - name: sentiment-dashboard
          image: sentiment-dashboard:latest
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8501
          env:
            - name: DB_URI
              valueFrom:
                configMapKeyRef:
                  name: feedback-service-env
                  key: DB_URI
        - name: mongodb
          image: mongo:latest
          ports:
            - containerPort: 27017
          volumeMounts:
            - mountPath: /data/db
              name: mongo-data
        - name: nginx
          image: feedback-frontend:latest
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 80
      volumes:
        - name: mongo-data
          persistentVolumeClaim:
            claimName: mongodb-data-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: feedback-sentiment-dashboard
spec:
  selector:
    app: feedback
  type: LoadBalancer
  ports:
    - name: feedback
      protocol: TCP
      port: 3000
      targetPort: 3000
    - name: sentiment
      protocol: TCP
      port: 5000
      targetPort: 5000
    - name: daskboard
      protocol: TCP
      port: 8501
      targetPort: 8501
    - name: frontend
      protocol: TCP
      port: 8080
      targetPort: 80