envFrom

Env From Secret

Setting Env

apiVersion: v1
kind: ConfigMap
metadata:
  name: test-config
data:
  ENV1: hello
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apiVersion: v1
kind: Secret
metadata:
  name: test-secret
stringData:
  ENV2: hello

# base64 aGVsbG8=
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kubectl apply -f configmap.yaml && kubectl apply -f secret.yaml
Shell
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Deployment Apply

apiVersion: apps/v1
kind: Deployment
metadata:
  name: test
spec:
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      name: nginx
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        envFrom:
        - configMapRef:
            name: test-config
        - secretRef:
            name: test-secret
YAML
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kubectl apply -f deployment.yaml
Shell
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Result

kubectl exec -it deploy/test -- env
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Env Value FROM

apiVersion: apps/v1
kind: Deployment
metadata:
  name: value-test
spec:
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      name: nginx
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        env:
        - name: ENV3
          valueFrom:
            secretKeyRef:
              name: test-secret
              key: ENV2
YAML
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kubectl apply -f value-deployment.yaml
Shell
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Result

kubectl exec -it deploy/value-test -- env
Shell
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