sg-deployment-bd.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql
  namespace: demo
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: mysql:5.7
          env:
            # Use secret in real usage
            - name: MYSQL_ROOT_PASSWORD
              value: secret
          ports:
            - containerPort: 3306
              name: mysql
          volumeMounts:
            - name: workdir
              mountPath: /docker-entrypoint-initdb.d
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: 250m
              memory: 256Mi
      initContainers:
        - name: install
          image: busybox
          command:
            - wget
            - "-O"
            - "/work-dir/init.sql"
            - https://gist.githubusercontent.com/ualmtorres/eb328b653fcc5964f976b22c320dc10f/raw/448b00c44d7102d66077a393dad555585862f923/init.sql
          volumeMounts:
            - name: workdir
              mountPath: "/work-dir"
      dnsPolicy: Default
      volumes:
        - name: workdir
          emptyDir: {}