envFrom:

Official example:

apiVersion: v1
kind: Pod
metadata:
  name: dapi-test-pod
spec:
 containers:
   - name: test-container
 
     image: k8s.gcr.io/busybox
 
     command: [ "/bin/sh", "-c", "env" ]
 
     envFrom:
     - configMapRef:
 
         name: special-config
  restartPolicy: Never

Related

• secretRef:
• env:

See also

• Kubernetes secrets: kubectl [ get | create | describe | delete | secret ] secrets, secret.yml, kind: Secret, secretKeyRef, default-token, imagePullSecrets:, dockerconfigjson
• ConfigMaps: kubectl [ get | edit | describe | create | delete ] configmaps, aws-auth, Kustomize, kind: ConfigMap, ConfigMapRef, envFrom

https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/