apps/maddy/install.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: app-maddy
---
apiVersion: v1
kind: Service
metadata:
  name: maddy
  namespace: app-maddy
spec:
  type: LoadBalancer
  externalTrafficPolicy: Local
  selector:
    app: maddy
  ports:
    - port: 25
      protocol: TCP
      name: a
    - port: 143
      protocol: TCP
      name: b
    - port: 993
      protocol: TCP
      name: c
    - port: 587
      protocol: TCP
      name: d
    - port: 465
      protocol: TCP
      name: e
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: wildcard-lekva.me  # mx1
  namespace: app-maddy
spec:
  dnsNames:
  - 'mx1.lekva.me'
  issuerRef:
    name: letsencrypt-prod-dns
    kind: ClusterIssuer
  secretName: cert-mx1.lekva.me
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: data
  namespace: app-maddy
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 100Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: maddy
  namespace: app-maddy
spec:
  selector:
    matchLabels:
      app: maddy
  replicas: 1
  template:
    metadata:
      labels:
        app: maddy
    spec:
      volumes:
      - name: config
        configMap:
          name: config
      - name: certs
        secret:
          secretName: cert-mx1.lekva.me
      - name: data
        persistentVolumeClaim:
          claimName: data
      containers:
      - name: maddy
        image: giolekva/maddy:v0.4.4
        imagePullPolicy: Always
        ports:
        - containerPort: 25
        - containerPort: 143
        - containerPort: 993
        - containerPort: 587
        - containerPort: 465
        command: ["maddy"]
        args: ["-config", "/etc/maddy/config/maddy.conf"]
        volumeMounts:
        - name: config
          mountPath: /etc/maddy/config
        - name: certs
          mountPath: /etc/maddy/certs
        - name: data
          mountPath: /var/lib/maddy
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: mta-sts
  namespace: app-maddy
data:
  mta-sts.txt: |
    version: STSv1
    mode: enforce
    max_age: 604800
    mx: mx1.lekva.me
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mta-sts
  namespace: app-maddy
spec:
  selector:
    matchLabels:
      app: mta-sts
  replicas: 1
  template:
    metadata:
      labels:
        app: mta-sts
    spec:
      volumes:
      - name: mta-sts
        configMap:
          name: mta-sts
      containers:
      - name: maddy
        image: giolekva/static-file-server:latest
        imagePullPolicy: Always
        ports:
        - name: http
          containerPort: 80
        command: ["static-file-server"]
        args: ["-port=80", "-dir=/etc/static-file-server/data"]
        volumeMounts:
        - name: mta-sts
          mountPath: /etc/static-file-server/data/.well-known
          readOnly: true
---
apiVersion: v1
kind: Service
metadata:
  name: mta-sts
  namespace: app-maddy
spec:
  type: ClusterIP
  selector:
    app: mta-sts
  ports:
    - name: http
      port: 80
      targetPort: http
      protocol: TCP
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: mta-sts
  namespace: app-maddy
  annotations:
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
  ingressClassName: nginx
  rules:
  - host: mta-sts.lekva.me
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: mta-sts
            port:
              name: http