apiVersion: apps/v1
kind: Deployment
metadata:
  name: worker
  namespace: honeydue
  labels:
    app.kubernetes.io/name: worker
    app.kubernetes.io/part-of: honeydue
spec:
  # Asynq's Scheduler is a singleton — running >1 replica fires every cron
  # task once per replica (duplicate daily digests, onboarding emails, etc.).
  # Keep at 1 until asynq.PeriodicTaskManager with Redis leader election is
  # wired in cmd/worker/main.go.
  replicas: 1
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 0
      maxSurge: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: worker
  template:
    metadata:
      labels:
        app.kubernetes.io/name: worker
        app.kubernetes.io/part-of: honeydue
    spec:
      serviceAccountName: worker
      imagePullSecrets:
        - name: ghcr-credentials
      securityContext:
        runAsNonRoot: true
        runAsUser: 1000
        runAsGroup: 1000
        fsGroup: 1000
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: worker
          image: IMAGE_PLACEHOLDER  # Replaced by 03-deploy.sh
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            capabilities:
              drop: ["ALL"]
          envFrom:
            - configMapRef:
                name: honeydue-config
          env:
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: POSTGRES_PASSWORD
            - name: SECRET_KEY
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: SECRET_KEY
            - name: EMAIL_HOST_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: EMAIL_HOST_PASSWORD
            - name: FCM_SERVER_KEY
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: FCM_SERVER_KEY
            - name: REDIS_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: REDIS_PASSWORD
                  optional: true
            # B2 (Backblaze) credentials. The worker needs these to delete
            # B2 objects when the pending_uploads cleanup cron reaps
            # expired upload sessions. Without them the worker falls back
            # to local-disk storage which fails on this pod's read-only
            # root filesystem and disables the cleanup cron.
            - name: B2_KEY_ID
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: B2_KEY_ID
            - name: B2_APP_KEY
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: B2_APP_KEY
            # Observability — workers emit traces (e.g., asynq job spans) to
            # obs.88oakapps.com over OTLP/HTTP. service.name=honeydue-worker
            # so api and worker show up as separate services in Jaeger.
            - name: OBS_TRACES_URL
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: OBS_TRACES_URL
                  optional: true
            - name: OBS_INGEST_TOKEN
              valueFrom:
                secretKeyRef:
                  name: honeydue-secrets
                  key: OBS_INGEST_TOKEN
                  optional: true
          volumeMounts:
            - name: apns-key
              mountPath: /secrets/apns
              readOnly: true
            - name: tmp
              mountPath: /tmp
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: 500m
              memory: 512Mi
          livenessProbe:
            exec:
              command: ["pgrep", "-f", "/app/worker"]
            initialDelaySeconds: 15
            periodSeconds: 30
            timeoutSeconds: 5
      volumes:
        - name: apns-key
          secret:
            secretName: honeydue-apns-key
            items:
              - key: apns_auth_key.p8
                path: apns_auth_key.p8
        - name: tmp
          emptyDir:
            sizeLimit: 64Mi