apiVersion: apps/v1
kind: Deployment
metadata:
  name: caddy
  namespace: caddy-namespace
spec:
  replicas: 1
  selector:
    matchLabels:
      app: caddy
  template:
    metadata:
      labels:
        app: caddy
    spec:
      containers:
      - name: caddy
        image: caddy:latest
        ports:
        - containerPort: 12080
        - containerPort: 12443
        volumeMounts:
        - name: caddy-config
          mountPath: /etc/caddy
      volumes:
      - name: caddy-config
        configMap:
          name: caddy-config
          items:
            - key: Caddyfile
              path: Caddyfile
      - name: caddy-data
        emptyDir: {}