deploy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: my-app
  template:
    metadata:
      labels:
        app: my-app
    spec:
      containers:
      - name: my-app
        image: ttl.sh/umair/k8s-app:1h
        imagePullPolicy: Always
        env:
        - name: DB_USERNAME
          valueFrom:
            secretKeyRef:
              name: my-postgresql-credentials
              key: username
        - name: DB_PASSWORD
          valueFrom:
            secretKeyRef:
              name: my-postgresql-credentials
              key: password
        - name: DB_HOST
          value: my-postgresql-rw.default.svc.cluster.local
        - name: DB_PORT
          value: "5432"
        - name: DB_NAME
          value: goals_database
        ports:
        - containerPort: 8080
        readinessProbe:
          httpGet:
            path: /health
            port: 8080
          initialDelaySeconds: 5
          periodSeconds: 10
        livenessProbe:
          httpGet:
            path: /health
            port: 8080
          initialDelaySeconds: 15
          periodSeconds: 20
        resources:
          requests:
            memory: "350Mi"
            cpu: "250m"
          limits:
            memory: "500Mi"
            cpu: "500m"