deployment.yaml

kind: Deployment
apiVersion: apps/v1
metadata:
  name: flask-demo
  namespace: flask-demo
  labels:
    app: flask-demo
    version: v1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: flask-demo
      version: v1
  template:
    metadata:
      labels:
        app: flask-demo
        version: v1
    spec:
      containers:
        - name: flask-demo
          image: 893293361941/flask-demo
          ports:
            - name: http-5000
              containerPort: 5000
              protocol: TCP
          imagePullPolicy: Always
          env:
            - name: DB_NAME
              valueFrom:
                secretKeyRef:
                  name: db-connection
                  key: DB_NAME
            - name: DB_USERNAME
              valueFrom:
                secretKeyRef:
                  name: db-connection
                  key: DB_USERNAME
            - name: DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: db-connection
                  key: DB_PASSWORD
            - name: DB_HOST
              valueFrom:
                secretKeyRef:
                  name: db-connection
                  key: DB_HOST
            - name: DB_PORT
              valueFrom:
                secretKeyRef:
                  name: db-connection
                  key: DB_PORT