phpmyadmin.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: phpmyadmin
  labels:
    app: phpmyadmin
spec:
  replicas: 1
  selector:
    matchLabels:
      app: phpmyadmin
  template:
    metadata:
      labels:
        app: phpmyadmin
    spec:
      containers:
      - name: phpmyadmin
        image: phpmyadmin/phpmyadmin
        ports:
        - containerPort: 80
        env:
        - name: PMA_HOST
          valueFrom: 
            configMapKeyRef:
              name: mysqldb-configmap
              key: database_url