apiVersion: apps/v1
kind: Deployment
metadata:
  name: sish
  labels:
    app.kubernetes.io/name: sish
spec:
  replicas: 1
  # Host ports cannot be shared, so the old pod must be gone before the new one starts.
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app.kubernetes.io/name: sish
  template:
    metadata:
      labels:
        app.kubernetes.io/name: sish
    spec:
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      enableServiceLinks: false
      automountServiceAccountToken: false
      # Binding :22/:80/:443 as non-root relies on the node sysctl
      # net.ipv4.ip_unprivileged_port_start=22 (talos/patches/unprivileged-ports.yaml).
      securityContext:
        runAsNonRoot: true
        runAsUser: 65534
        runAsGroup: 65534
        fsGroup: 65534
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: sish
          image: docker.io/antoniomika/sish:v2.23.0
          args:
            - --config=/config/config.yml
          envFrom:
            - configMapRef:
                name: sish-env
                optional: true
          ports:
            - name: ssh
              containerPort: 2222
            - name: http
              containerPort: 80
            - name: https
              containerPort: 443
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            capabilities:
              drop: ["ALL"]
          resources:
            requests:
              cpu: 20m
              memory: 32Mi
            limits:
              memory: 256Mi
          readinessProbe:
            tcpSocket:
              port: ssh
            periodSeconds: 10
          livenessProbe:
            tcpSocket:
              port: ssh
            initialDelaySeconds: 10
            periodSeconds: 20
          volumeMounts:
            - name: config
              mountPath: /config
              readOnly: true
            - name: hostkey
              mountPath: /keys
              readOnly: true
            - name: pubkeys
              mountPath: /pubkeys
              readOnly: true
            - name: tmp
              mountPath: /tmp
      volumes:
        - name: config
          configMap:
            name: sish-config
        - name: hostkey
          secret:
            secretName: sish-hostkey
            defaultMode: 0440
        - name: pubkeys
          configMap:
            name: sish-pubkeys
        - name: tmp
          emptyDir:
            sizeLimit: 16Mi