// Aula 25 - ConfigMaps

https://kubernetes.io/docs/concepts/configuration/configmap/

# vim config.txt

# esse é um arquivo de ConfigMap teste

parametro1 = valor 1
parametro2 = valor 2

# kubectl create configmap my-config \
--from-file=config.txt \
--from-literal=extra-param=extra-value \
--from-literal=another-param=another-value

# kubectl get configmaps my-config -o yaml

# vim kuard-config.yaml

# kuard-config

apiVersion: v1
kind: Pod
metadata:
  name: kuard-config
spec:
  containers:
    - name: test-container
      image: gcr.io/kuar-demo/kuard-amd64:1
      imagePullPolicy: Always
      command:
        - "/kuard"
        - "$(EXTRA_PARAM)"
      env:
        - name: ANOTHER_PARAM
          valueFrom:
            configMapKeyRef:
              name: my-config
              key: another-param
        - name: EXTRA_PARAM
          valueFrom:
            configMapKeyRef:
              name: my-config
              key: extra-param
      volumeMounts:
        - name: config-volume
          mountPath: /config
  volumes:
    - name: config-volume
      configMap:
        name: my-config
  restartPolicy: Never

# kubectl apply -f kuard-config.yaml

# kubectl port-forward kuard-config 8080

http://localhost:8080/