deployment-valuefrom.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: doppler-test-deployment-valuefrom
  annotations:
    secrets.doppler.com/reload: 'true'
spec:
  replicas: 2
  selector:
    matchLabels:
      app: doppler-test
  template:
    metadata:
      labels:
        app: doppler-test
    spec:
      containers:
        - name: doppler-test
          image: alpine
          command:
            - /bin/sh
            - -c
            # Print all non-Kubernetes environment variables
            - apk add --no-cache tini > /dev/null 2>&1 &&
              echo "### This is a simple deployment running with this env:" &&
              printenv | grep -v KUBERNETES_ &&
              tini -s tail -f /dev/null
          imagePullPolicy: Always
          env:
            - name: DOPPLER_CONFIG # The name of the environment variable exposed in the container
              valueFrom:
                secretKeyRef:
                  name: doppler-test-secret # Kubernetes secret name
                  key: DOPPLER_CONFIG # The name of the key in the Kubernetes secret
          resources:
            requests:
              memory: '250Mi'
              cpu: '250m'
            limits:
              memory: '500Mi'
              cpu: '500m'