# services/hermes/chat-router.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hermes-chat-router
  namespace: hermes
  labels:
    app: hermes-chat-router
spec:
  replicas: 1
  revisionHistoryLimit: 2
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: hermes-chat-router
  template:
    metadata:
      labels:
        app: hermes-chat-router
      annotations:
        ai.bstein.dev/role: privacy-preserving-chat-tenant-router
        ai.bstein.dev/config-rev: "20260815-runtime-access-boundary"
        vault.hashicorp.com/agent-inject: "true"
        vault.hashicorp.com/agent-pre-populate-only: "true"
        vault.hashicorp.com/agent-init-first: "true"
        vault.hashicorp.com/role: hermes-chat
        vault.hashicorp.com/agent-inject-secret-telegram-config: kv/data/atlas/hermes/chat-telegram
        vault.hashicorp.com/agent-inject-template-telegram-config: |
          {{- with secret "kv/data/atlas/hermes/chat-telegram" -}}
          bot_token={{ .Data.data.bot_token }}
          relay_key={{ .Data.data.relay_key }}
          {{- end }}
    spec:
      serviceAccountName: hermes-chat
      automountServiceAccountToken: true
      securityContext:
        fsGroup: 10000
        fsGroupChangePolicy: OnRootMismatch
        seccompProfile:
          type: RuntimeDefault
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: kubernetes.io/arch
                    operator: In
                    values: [arm64]
                  - key: node-role.kubernetes.io/worker
                    operator: In
                    values: ["true"]
                  - key: kubernetes.io/hostname
                    operator: NotIn
                    values: [titan-13, titan-15, titan-17, titan-18, titan-19]
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              preference:
                matchExpressions:
                  - key: hardware
                    operator: In
                    values: [rpi5]
      containers:
        - name: router
          image: registry.bstein.dev/bstein/hermes-chat-router@sha256:6744cb7b87c6050f1b97c0675cd280b8295b3b5826ba1d6d92e37aee6fd0b8c4 # {"$imagepolicy": "hermes:hermes-chat-router-release"}
          imagePullPolicy: IfNotPresent
          ports:
            - {name: http, containerPort: 8080, protocol: TCP}
          env:
            - {name: TENANT_SLOTS, value: "8"}
            - {name: TENANT_STATE_PATH, value: /state/tenants.json}
            - {name: TELEGRAM_CONFIG_PATH, value: /vault/secrets/telegram-config}
          readinessProbe:
            httpGet: {path: /healthz, port: http}
            initialDelaySeconds: 2
            periodSeconds: 10
          livenessProbe:
            httpGet: {path: /healthz, port: http}
            initialDelaySeconds: 10
            periodSeconds: 20
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop: [ALL]
            readOnlyRootFilesystem: true
            runAsUser: 10000
            runAsGroup: 10000
            seccompProfile:
              type: RuntimeDefault
          volumeMounts:
            - {name: state, mountPath: /state}
            - {name: tmp, mountPath: /tmp}
          resources:
            requests: {cpu: 25m, memory: 32Mi}
            limits: {cpu: 250m, memory: 128Mi}
      volumes:
        - name: state
          persistentVolumeClaim:
            claimName: hermes-chat-router-state
        - name: tmp
          emptyDir:
            sizeLimit: 128Mi