Envs and Secrets and ConfigMaps

whoami/deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: whoami
  namespace: __NAME__
spec:
  selector:
    matchLabels:
      app: whoami
  template:
    metadata:
      labels:
        app: whoami
    spec:
      containers:
        - name: whoami
          image: jwilder/whoami
          resources:
            requests:
              cpu: 0.1
          env:
            - name: TESTING
              value: "yes"

Secrets

whoami/deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: whoami
  namespace: __NAME__
spec:
  selector:
    matchLabels:
      app: whoami
  template:
    metadata:
      labels:
        app: whoami
    spec:
      containers:
        - name: whoami
          image: jwilder/whoami
          resources:
            requests:
              cpu: 0.1
          env:
            - name: TESTING
              value: "yes"
            - name: SECRET_USERNAME
              valueFrom:
                secretKeyRef:
                  name: secrets
                  key: username

whoami/secrets.yml

apiVersion: v1
kind: Secret
metadata:
  name: secrets
  namespace: __NAME__
type: Opaque
stringData:
  username: admin
  password: t0p-Secret

whoami/deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: whoami
  namespace: __NAME__
spec:
  selector:
    matchLabels:
      app: whoami
  template:
    metadata:
      labels:
        app: whoami
    spec:
      containers:
        - name: whoami
          image: jwilder/whoami
          resources:
            requests:
              cpu: 0.1
          env:
            - name: TESTING
              value: "yes"
            - name: SECRET_USERNAME
              valueFrom:
                secretKeyRef:
                  name: secrets
                  key: username
          volumeMounts:
            - name: secrets
              mountPath: "/secrets"
              readOnly: true
      volumes:
        - name: secrets
          secret:
            secretName: secrets

ConfigMaps

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9. Probes