postfix.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: postfix
  labels:
    app: postfix
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: postfix
  template:
    metadata:
      labels:
        app: postfix
    spec:
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      containers:
      - name: postfix
        image: ghcr.io/erebe/postfix:latest
        imagePullPolicy: Always
        ports:
        - containerPort: 25
        volumeMounts:
        - name: dovecot-tls
          mountPath: /etc/ssl/postfix/
          readOnly: true
        - name: mail-data
          mountPath: /data
        - name: fetchmail
          mountPath: /etc/fetchmail
      volumes:
      - name: dovecot-tls
        secret:
          secretName: dovecot-tls
      - name: mail-data
        hostPath:
          path: /opt/mail/data
          type: Directory
      - name: fetchmail
        configMap:
          name: fetchmail
          items:
          - key: fetchmailrc
            path: fetchmailrc