diff --git a/apps/base/arrstack/kustomization.yaml b/apps/base/arrstack/kustomization.yaml
new file mode 100644
index 0000000..c68c8c5
--- /dev/null
+++ b/apps/base/arrstack/kustomization.yaml
@@ -0,0 +1,14 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - namespace.yaml
+  - pv-media-tv.yaml
+  - pv-media-movies.yaml
+  - pvc-media-tv.yaml
+  - pvc-media-movies.yaml
+  - sonarr
+  - radarr
+  - prowlarr
+  - nzbget
diff --git a/apps/base/arrstack/namespace.yaml b/apps/base/arrstack/namespace.yaml
new file mode 100644
index 0000000..e57af7f
--- /dev/null
+++ b/apps/base/arrstack/namespace.yaml
@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: arrstack
diff --git a/apps/base/arrstack/nzbget/deployment.yaml b/apps/base/arrstack/nzbget/deployment.yaml
new file mode 100644
index 0000000..acf6381
--- /dev/null
+++ b/apps/base/arrstack/nzbget/deployment.yaml
@@ -0,0 +1,137 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nzbget
+  namespace: arrstack
+spec:
+  replicas: 1
+  strategy:
+    # RWO config PVC + single queue state: never run two pods at once.
+    type: Recreate
+  selector:
+    matchLabels:
+      app: nzbget
+  template:
+    metadata:
+      labels:
+        app: nzbget
+    spec:
+      securityContext:
+        fsGroup: 1000
+        fsGroupChangePolicy: OnRootMismatch
+      initContainers:
+        # Seed download layout onto the shared media PVCs (not /config or an
+        # emptyDir) so completed downloads land beside the arr libraries and
+        # imports are same-filesystem hardlink moves. Reuses the image's own
+        # template (inherits correct WebDir/ConfigTemplate) and appends the
+        # path/category overrides once; nzbget honours the last value for a
+        # repeated option, and the grep guard keeps re-runs idempotent so admin
+        # UI edits to the persisted /config/nzbget.conf survive restarts.
+        - name: seed-config
+          image: artifactapi.k8s.syd1.au.unkin.net/dockerhub/linuxserver/nzbget:v26.2
+          command:
+            - sh
+            - -c
+            - |
+              set -e
+              if [ ! -f /config/nzbget.conf ]; then
+                cp /app/nzbget/share/nzbget/nzbget.conf /config/nzbget.conf
+              fi
+              if ! grep -q '# arrstack-managed' /config/nzbget.conf; then
+                cat >> /config/nzbget.conf << 'CONF'
+
+              # arrstack-managed download layout (appended once; last value wins).
+              # Downloads land on the shared media PVCs by category so sonarr/radarr
+              # import with atomic hardlink moves (download dir + library share one
+              # filesystem per media type). InterDir is empty: nzbget writes each
+              # download straight into its category DestDir, so BOTH tv and movies
+              # stay on their own PVC with no cross-filesystem intermediate copy.
+              MainDir=/media/tv
+              InterDir=
+              DestDir=/media/tv/downloads
+              NzbDir=/config/nzb
+              QueueDir=/config/queue
+              TempDir=/config/tmp
+              ControlIP=0.0.0.0
+              ControlPort=6789
+              Category1.Name=tv
+              Category1.DestDir=/media/tv/downloads
+              Category2.Name=movies
+              Category2.DestDir=/media/movies/downloads
+              CONF
+              fi
+              mkdir -p /media/tv/series /media/tv/downloads /media/movies/films /media/movies/downloads
+              chown 1000:1000 /config/nzbget.conf \
+                /media/tv /media/tv/series /media/tv/downloads \
+                /media/movies /media/movies/films /media/movies/downloads
+          resources:
+            requests:
+              cpu: 10m
+              memory: 32Mi
+            limits:
+              cpu: 200m
+              memory: 128Mi
+          volumeMounts:
+            - name: config
+              mountPath: /config
+            - name: media-tv
+              mountPath: /media/tv
+            - name: media-movies
+              mountPath: /media/movies
+      containers:
+        - name: nzbget
+          image: artifactapi.k8s.syd1.au.unkin.net/dockerhub/linuxserver/nzbget:v26.2
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 6789
+              protocol: TCP
+          env:
+            - name: PUID
+              value: "1000"
+            - name: PGID
+              value: "1000"
+            - name: TZ
+              value: Australia/Sydney
+          livenessProbe:
+            # nzbget's root path requires auth (401); a TCP check is the
+            # dependency-free liveness signal for the web/JSON-RPC server.
+            tcpSocket:
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            timeoutSeconds: 5
+            failureThreshold: 3
+          readinessProbe:
+            tcpSocket:
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 3
+          resources:
+            requests:
+              cpu: 200m
+              memory: 256Mi
+            limits:
+              # Headroom for par2 repair + unpack of large downloads.
+              cpu: "2"
+              memory: 2Gi
+          volumeMounts:
+            - name: config
+              mountPath: /config
+            - name: media-tv
+              mountPath: /media/tv
+            - name: media-movies
+              mountPath: /media/movies
+      volumes:
+        - name: config
+          persistentVolumeClaim:
+            claimName: nzbget-config
+        - name: media-tv
+          persistentVolumeClaim:
+            claimName: media-tv
+        - name: media-movies
+          persistentVolumeClaim:
+            claimName: media-movies
diff --git a/apps/base/arrstack/nzbget/gateway.yaml b/apps/base/arrstack/nzbget/gateway.yaml
new file mode 100644
index 0000000..a0e42e5
--- /dev/null
+++ b/apps/base/arrstack/nzbget/gateway.yaml
@@ -0,0 +1,37 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  labels:
+    traefik.io/instance: internal
+  annotations:
+    cert-manager.io/cluster-issuer: vault-issuer
+    cert-manager.io/common-name: nzbget.k8s.syd1.au.unkin.net
+    cert-manager.io/private-key-size: "4096"
+    external-dns.alpha.kubernetes.io/hostname: nzbget.k8s.syd1.au.unkin.net
+    external-dns.alpha.kubernetes.io/target: 198.18.200.4
+  name: nzbget
+  namespace: arrstack
+spec:
+  gatewayClassName: traefik-internal
+  listeners:
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: nzbget.k8s.syd1.au.unkin.net
+      name: http
+      port: 80
+      protocol: HTTP
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: nzbget.k8s.syd1.au.unkin.net
+      name: https
+      port: 443
+      protocol: HTTPS
+      tls:
+        certificateRefs:
+          - group: ""
+            kind: Secret
+            name: nzbget-tls
+        mode: Terminate
diff --git a/apps/base/arrstack/nzbget/httproute.yaml b/apps/base/arrstack/nzbget/httproute.yaml
new file mode 100644
index 0000000..b4aa2fb
--- /dev/null
+++ b/apps/base/arrstack/nzbget/httproute.yaml
@@ -0,0 +1,49 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: nzbget-http-redirect
+  namespace: arrstack
+spec:
+  hostnames:
+    - nzbget.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: nzbget
+      sectionName: http
+  rules:
+    - filters:
+        - type: RequestRedirect
+          requestRedirect:
+            scheme: https
+            statusCode: 301
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: nzbget-route
+  namespace: arrstack
+spec:
+  hostnames:
+    - nzbget.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: nzbget
+      sectionName: https
+  rules:
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: nzbget
+          port: 6789
+          weight: 1
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
diff --git a/apps/base/arrstack/nzbget/kustomization.yaml b/apps/base/arrstack/nzbget/kustomization.yaml
new file mode 100644
index 0000000..a7f5633
--- /dev/null
+++ b/apps/base/arrstack/nzbget/kustomization.yaml
@@ -0,0 +1,10 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - pvc-config.yaml
+  - deployment.yaml
+  - service.yaml
+  - gateway.yaml
+  - httproute.yaml
diff --git a/apps/base/arrstack/nzbget/pvc-config.yaml b/apps/base/arrstack/nzbget/pvc-config.yaml
new file mode 100644
index 0000000..52c365b
--- /dev/null
+++ b/apps/base/arrstack/nzbget/pvc-config.yaml
@@ -0,0 +1,16 @@
+---
+# NZBGet config + queue/temp state. RWO on cephrbd (block). Retain: this is
+# state. The download data itself lives on the shared media PVCs, not here.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: nzbget-config
+  namespace: arrstack
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi
+  storageClassName: cephrbd-fast-retain
+  volumeMode: Filesystem
diff --git a/apps/base/arrstack/nzbget/service.yaml b/apps/base/arrstack/nzbget/service.yaml
new file mode 100644
index 0000000..43e29f4
--- /dev/null
+++ b/apps/base/arrstack/nzbget/service.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nzbget
+  namespace: arrstack
+spec:
+  ports:
+    - name: http
+      port: 6789
+      protocol: TCP
+      targetPort: http
+  selector:
+    app: nzbget
+  type: ClusterIP
diff --git a/apps/base/arrstack/prowlarr/deployment.yaml b/apps/base/arrstack/prowlarr/deployment.yaml
new file mode 100644
index 0000000..df9efde
--- /dev/null
+++ b/apps/base/arrstack/prowlarr/deployment.yaml
@@ -0,0 +1,67 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: prowlarr
+  namespace: arrstack
+spec:
+  replicas: 1
+  strategy:
+    # RWO config PVC + single stateful SQLite DB: never run two pods at once.
+    type: Recreate
+  selector:
+    matchLabels:
+      app: prowlarr
+  template:
+    metadata:
+      labels:
+        app: prowlarr
+    spec:
+      securityContext:
+        fsGroup: 1000
+        fsGroupChangePolicy: OnRootMismatch
+      containers:
+        - name: prowlarr
+          image: artifactapi.k8s.syd1.au.unkin.net/dockerhub/linuxserver/prowlarr:2.5.2
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 9696
+              protocol: TCP
+          env:
+            - name: PUID
+              value: "1000"
+            - name: PGID
+              value: "1000"
+            - name: TZ
+              value: Australia/Sydney
+          livenessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            timeoutSeconds: 5
+            failureThreshold: 3
+          readinessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 3
+          resources:
+            requests:
+              cpu: 100m
+              memory: 256Mi
+            limits:
+              cpu: "1"
+              memory: 512Mi
+          volumeMounts:
+            - name: config
+              mountPath: /config
+      volumes:
+        - name: config
+          persistentVolumeClaim:
+            claimName: prowlarr-config
diff --git a/apps/base/arrstack/prowlarr/gateway.yaml b/apps/base/arrstack/prowlarr/gateway.yaml
new file mode 100644
index 0000000..4d8a19e
--- /dev/null
+++ b/apps/base/arrstack/prowlarr/gateway.yaml
@@ -0,0 +1,37 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  labels:
+    traefik.io/instance: internal
+  annotations:
+    cert-manager.io/cluster-issuer: vault-issuer
+    cert-manager.io/common-name: prowlarr.k8s.syd1.au.unkin.net
+    cert-manager.io/private-key-size: "4096"
+    external-dns.alpha.kubernetes.io/hostname: prowlarr.k8s.syd1.au.unkin.net
+    external-dns.alpha.kubernetes.io/target: 198.18.200.4
+  name: prowlarr
+  namespace: arrstack
+spec:
+  gatewayClassName: traefik-internal
+  listeners:
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: prowlarr.k8s.syd1.au.unkin.net
+      name: http
+      port: 80
+      protocol: HTTP
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: prowlarr.k8s.syd1.au.unkin.net
+      name: https
+      port: 443
+      protocol: HTTPS
+      tls:
+        certificateRefs:
+          - group: ""
+            kind: Secret
+            name: prowlarr-tls
+        mode: Terminate
diff --git a/apps/base/arrstack/prowlarr/httproute.yaml b/apps/base/arrstack/prowlarr/httproute.yaml
new file mode 100644
index 0000000..9e43c60
--- /dev/null
+++ b/apps/base/arrstack/prowlarr/httproute.yaml
@@ -0,0 +1,49 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: prowlarr-http-redirect
+  namespace: arrstack
+spec:
+  hostnames:
+    - prowlarr.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: prowlarr
+      sectionName: http
+  rules:
+    - filters:
+        - type: RequestRedirect
+          requestRedirect:
+            scheme: https
+            statusCode: 301
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: prowlarr-route
+  namespace: arrstack
+spec:
+  hostnames:
+    - prowlarr.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: prowlarr
+      sectionName: https
+  rules:
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: prowlarr
+          port: 9696
+          weight: 1
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
diff --git a/apps/base/arrstack/prowlarr/kustomization.yaml b/apps/base/arrstack/prowlarr/kustomization.yaml
new file mode 100644
index 0000000..a7f5633
--- /dev/null
+++ b/apps/base/arrstack/prowlarr/kustomization.yaml
@@ -0,0 +1,10 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - pvc-config.yaml
+  - deployment.yaml
+  - service.yaml
+  - gateway.yaml
+  - httproute.yaml
diff --git a/apps/base/arrstack/prowlarr/pvc-config.yaml b/apps/base/arrstack/prowlarr/pvc-config.yaml
new file mode 100644
index 0000000..208bd7c
--- /dev/null
+++ b/apps/base/arrstack/prowlarr/pvc-config.yaml
@@ -0,0 +1,16 @@
+---
+# Prowlarr config + SQLite DB. RWO on cephrbd (block) — the arr apps' SQLite
+# does not tolerate CephFS locking. Retain: this is state.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: prowlarr-config
+  namespace: arrstack
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi
+  storageClassName: cephrbd-fast-retain
+  volumeMode: Filesystem
diff --git a/apps/base/arrstack/prowlarr/service.yaml b/apps/base/arrstack/prowlarr/service.yaml
new file mode 100644
index 0000000..96da114
--- /dev/null
+++ b/apps/base/arrstack/prowlarr/service.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: prowlarr
+  namespace: arrstack
+spec:
+  ports:
+    - name: http
+      port: 9696
+      protocol: TCP
+      targetPort: http
+  selector:
+    app: prowlarr
+  type: ClusterIP
diff --git a/apps/base/arrstack/pv-media-movies.yaml b/apps/base/arrstack/pv-media-movies.yaml
new file mode 100644
index 0000000..a70696c
--- /dev/null
+++ b/apps/base/arrstack/pv-media-movies.yaml
@@ -0,0 +1,31 @@
+---
+# Static PV for the shared MOVIES CephFS subvolume. Same rootPath as jellyfin's
+# movies PV so radarr/nzbget write and jellyfin reads the identical library
+# tree; each namespace gets its own PV (unique name + volumeHandle) pinned by
+# claimRef.
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: arrstack-media-movies
+spec:
+  capacity:
+    storage: 1Ti
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: ""
+  volumeMode: Filesystem
+  claimRef:
+    namespace: arrstack
+    name: media-movies
+  csi:
+    driver: cephfs.csi.ceph.com
+    volumeHandle: arrstack-media-movies-static
+    nodeStageSecretRef:
+      name: csi-cephfs-secret
+      namespace: csi-cephfs
+    volumeAttributes:
+      staticVolume: "true"
+      clusterID: cephfs_csi_ssd_ec_4_1
+      fsName: cephfs
+      rootPath: /volumes/csi_ssd_ec_4_1/media-movies/e95d8ace-c736-465a-acc3-0c3e46dcede9
diff --git a/apps/base/arrstack/pv-media-tv.yaml b/apps/base/arrstack/pv-media-tv.yaml
new file mode 100644
index 0000000..86fd07d
--- /dev/null
+++ b/apps/base/arrstack/pv-media-tv.yaml
@@ -0,0 +1,30 @@
+---
+# Static PV for the shared TV CephFS subvolume. Same rootPath as jellyfin's TV
+# PV so sonarr/nzbget write and jellyfin reads the identical library tree; each
+# namespace gets its own PV (unique name + volumeHandle) pinned by claimRef.
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: arrstack-media-tv
+spec:
+  capacity:
+    storage: 1Ti
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: ""
+  volumeMode: Filesystem
+  claimRef:
+    namespace: arrstack
+    name: media-tv
+  csi:
+    driver: cephfs.csi.ceph.com
+    volumeHandle: arrstack-media-tv-static
+    nodeStageSecretRef:
+      name: csi-cephfs-secret
+      namespace: csi-cephfs
+    volumeAttributes:
+      staticVolume: "true"
+      clusterID: cephfs_csi_ssd_ec_4_1
+      fsName: cephfs
+      rootPath: /volumes/csi_ssd_ec_4_1/media-tv/4692957d-f5df-4f72-b9c9-56e4ee6d1333
diff --git a/apps/base/arrstack/pvc-media-movies.yaml b/apps/base/arrstack/pvc-media-movies.yaml
new file mode 100644
index 0000000..1fc691a
--- /dev/null
+++ b/apps/base/arrstack/pvc-media-movies.yaml
@@ -0,0 +1,22 @@
+---
+# Movies library + downloads, shared RWX across radarr and nzbget. Statically
+# bound to the arrstack-media-movies PV (same CephFS subvolume jellyfin mounts
+# read-only). storageClassName "" + volumeName disables dynamic provisioning and
+# binds the pre-created static PV. Downloads and library live on one filesystem
+# so import is an atomic hardlink move.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: media-movies
+  namespace: arrstack
+  annotations:
+    k8up.io/backup: "false"
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 1Ti
+  storageClassName: ""
+  volumeName: arrstack-media-movies
+  volumeMode: Filesystem
diff --git a/apps/base/arrstack/pvc-media-tv.yaml b/apps/base/arrstack/pvc-media-tv.yaml
new file mode 100644
index 0000000..8680637
--- /dev/null
+++ b/apps/base/arrstack/pvc-media-tv.yaml
@@ -0,0 +1,22 @@
+---
+# TV library + downloads, shared RWX across sonarr and nzbget. Statically bound
+# to the arrstack-media-tv PV (same CephFS subvolume jellyfin mounts read-only).
+# storageClassName "" + volumeName disables dynamic provisioning and binds the
+# pre-created static PV. Downloads and library live on one filesystem so import
+# is an atomic hardlink move.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: media-tv
+  namespace: arrstack
+  annotations:
+    k8up.io/backup: "false"
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 1Ti
+  storageClassName: ""
+  volumeName: arrstack-media-tv
+  volumeMode: Filesystem
diff --git a/apps/base/arrstack/radarr/deployment.yaml b/apps/base/arrstack/radarr/deployment.yaml
new file mode 100644
index 0000000..9de78e5
--- /dev/null
+++ b/apps/base/arrstack/radarr/deployment.yaml
@@ -0,0 +1,72 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: radarr
+  namespace: arrstack
+spec:
+  replicas: 1
+  strategy:
+    # RWO config PVC + single stateful SQLite DB: never run two pods at once.
+    type: Recreate
+  selector:
+    matchLabels:
+      app: radarr
+  template:
+    metadata:
+      labels:
+        app: radarr
+    spec:
+      securityContext:
+        fsGroup: 1000
+        fsGroupChangePolicy: OnRootMismatch
+      containers:
+        - name: radarr
+          image: artifactapi.k8s.syd1.au.unkin.net/dockerhub/linuxserver/radarr:6.3.0
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 7878
+              protocol: TCP
+          env:
+            - name: PUID
+              value: "1000"
+            - name: PGID
+              value: "1000"
+            - name: TZ
+              value: Australia/Sydney
+          livenessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            timeoutSeconds: 5
+            failureThreshold: 3
+          readinessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 3
+          resources:
+            requests:
+              cpu: 100m
+              memory: 256Mi
+            limits:
+              cpu: "1"
+              memory: 1Gi
+          volumeMounts:
+            - name: config
+              mountPath: /config
+            - name: media-movies
+              mountPath: /media/movies
+      volumes:
+        - name: config
+          persistentVolumeClaim:
+            claimName: radarr-config
+        - name: media-movies
+          persistentVolumeClaim:
+            claimName: media-movies
diff --git a/apps/base/arrstack/radarr/gateway.yaml b/apps/base/arrstack/radarr/gateway.yaml
new file mode 100644
index 0000000..2fb50ca
--- /dev/null
+++ b/apps/base/arrstack/radarr/gateway.yaml
@@ -0,0 +1,37 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  labels:
+    traefik.io/instance: internal
+  annotations:
+    cert-manager.io/cluster-issuer: vault-issuer
+    cert-manager.io/common-name: radarr.k8s.syd1.au.unkin.net
+    cert-manager.io/private-key-size: "4096"
+    external-dns.alpha.kubernetes.io/hostname: radarr.k8s.syd1.au.unkin.net
+    external-dns.alpha.kubernetes.io/target: 198.18.200.4
+  name: radarr
+  namespace: arrstack
+spec:
+  gatewayClassName: traefik-internal
+  listeners:
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: radarr.k8s.syd1.au.unkin.net
+      name: http
+      port: 80
+      protocol: HTTP
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: radarr.k8s.syd1.au.unkin.net
+      name: https
+      port: 443
+      protocol: HTTPS
+      tls:
+        certificateRefs:
+          - group: ""
+            kind: Secret
+            name: radarr-tls
+        mode: Terminate
diff --git a/apps/base/arrstack/radarr/httproute.yaml b/apps/base/arrstack/radarr/httproute.yaml
new file mode 100644
index 0000000..002cc5b
--- /dev/null
+++ b/apps/base/arrstack/radarr/httproute.yaml
@@ -0,0 +1,49 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: radarr-http-redirect
+  namespace: arrstack
+spec:
+  hostnames:
+    - radarr.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: radarr
+      sectionName: http
+  rules:
+    - filters:
+        - type: RequestRedirect
+          requestRedirect:
+            scheme: https
+            statusCode: 301
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: radarr-route
+  namespace: arrstack
+spec:
+  hostnames:
+    - radarr.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: radarr
+      sectionName: https
+  rules:
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: radarr
+          port: 7878
+          weight: 1
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
diff --git a/apps/base/arrstack/radarr/kustomization.yaml b/apps/base/arrstack/radarr/kustomization.yaml
new file mode 100644
index 0000000..a7f5633
--- /dev/null
+++ b/apps/base/arrstack/radarr/kustomization.yaml
@@ -0,0 +1,10 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - pvc-config.yaml
+  - deployment.yaml
+  - service.yaml
+  - gateway.yaml
+  - httproute.yaml
diff --git a/apps/base/arrstack/radarr/pvc-config.yaml b/apps/base/arrstack/radarr/pvc-config.yaml
new file mode 100644
index 0000000..25fadad
--- /dev/null
+++ b/apps/base/arrstack/radarr/pvc-config.yaml
@@ -0,0 +1,16 @@
+---
+# Radarr config + SQLite DB. RWO on cephrbd (block) — the arr apps' SQLite
+# does not tolerate CephFS locking. Retain: this is state.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: radarr-config
+  namespace: arrstack
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi
+  storageClassName: cephrbd-fast-retain
+  volumeMode: Filesystem
diff --git a/apps/base/arrstack/radarr/service.yaml b/apps/base/arrstack/radarr/service.yaml
new file mode 100644
index 0000000..08d154f
--- /dev/null
+++ b/apps/base/arrstack/radarr/service.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: radarr
+  namespace: arrstack
+spec:
+  ports:
+    - name: http
+      port: 7878
+      protocol: TCP
+      targetPort: http
+  selector:
+    app: radarr
+  type: ClusterIP
diff --git a/apps/base/arrstack/sonarr/deployment.yaml b/apps/base/arrstack/sonarr/deployment.yaml
new file mode 100644
index 0000000..5352c71
--- /dev/null
+++ b/apps/base/arrstack/sonarr/deployment.yaml
@@ -0,0 +1,75 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: sonarr
+  namespace: arrstack
+spec:
+  replicas: 1
+  strategy:
+    # RWO config PVC + single stateful SQLite DB: never run two pods at once.
+    type: Recreate
+  selector:
+    matchLabels:
+      app: sonarr
+  template:
+    metadata:
+      labels:
+        app: sonarr
+    spec:
+      securityContext:
+        # LinuxServer images init as root via s6 then step down to PUID/PGID.
+        # fsGroup makes the shared CephFS group-writable for that user;
+        # OnRootMismatch avoids a recursive chown of the whole media tree.
+        fsGroup: 1000
+        fsGroupChangePolicy: OnRootMismatch
+      containers:
+        - name: sonarr
+          image: artifactapi.k8s.syd1.au.unkin.net/dockerhub/linuxserver/sonarr:4.0.19
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 8989
+              protocol: TCP
+          env:
+            - name: PUID
+              value: "1000"
+            - name: PGID
+              value: "1000"
+            - name: TZ
+              value: Australia/Sydney
+          livenessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 30
+            timeoutSeconds: 5
+            failureThreshold: 3
+          readinessProbe:
+            httpGet:
+              path: /ping
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 3
+          resources:
+            requests:
+              cpu: 100m
+              memory: 256Mi
+            limits:
+              cpu: "1"
+              memory: 1Gi
+          volumeMounts:
+            - name: config
+              mountPath: /config
+            - name: media-tv
+              mountPath: /media/tv
+      volumes:
+        - name: config
+          persistentVolumeClaim:
+            claimName: sonarr-config
+        - name: media-tv
+          persistentVolumeClaim:
+            claimName: media-tv
diff --git a/apps/base/arrstack/sonarr/gateway.yaml b/apps/base/arrstack/sonarr/gateway.yaml
new file mode 100644
index 0000000..38ff6b3
--- /dev/null
+++ b/apps/base/arrstack/sonarr/gateway.yaml
@@ -0,0 +1,37 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  labels:
+    traefik.io/instance: internal
+  annotations:
+    cert-manager.io/cluster-issuer: vault-issuer
+    cert-manager.io/common-name: sonarr.k8s.syd1.au.unkin.net
+    cert-manager.io/private-key-size: "4096"
+    external-dns.alpha.kubernetes.io/hostname: sonarr.k8s.syd1.au.unkin.net
+    external-dns.alpha.kubernetes.io/target: 198.18.200.4
+  name: sonarr
+  namespace: arrstack
+spec:
+  gatewayClassName: traefik-internal
+  listeners:
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: sonarr.k8s.syd1.au.unkin.net
+      name: http
+      port: 80
+      protocol: HTTP
+    - allowedRoutes:
+        namespaces:
+          from: Same
+      hostname: sonarr.k8s.syd1.au.unkin.net
+      name: https
+      port: 443
+      protocol: HTTPS
+      tls:
+        certificateRefs:
+          - group: ""
+            kind: Secret
+            name: sonarr-tls
+        mode: Terminate
diff --git a/apps/base/arrstack/sonarr/httproute.yaml b/apps/base/arrstack/sonarr/httproute.yaml
new file mode 100644
index 0000000..5e11c73
--- /dev/null
+++ b/apps/base/arrstack/sonarr/httproute.yaml
@@ -0,0 +1,49 @@
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: sonarr-http-redirect
+  namespace: arrstack
+spec:
+  hostnames:
+    - sonarr.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: sonarr
+      sectionName: http
+  rules:
+    - filters:
+        - type: RequestRedirect
+          requestRedirect:
+            scheme: https
+            statusCode: 301
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: sonarr-route
+  namespace: arrstack
+spec:
+  hostnames:
+    - sonarr.k8s.syd1.au.unkin.net
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: sonarr
+      sectionName: https
+  rules:
+    - backendRefs:
+        - group: ""
+          kind: Service
+          name: sonarr
+          port: 8989
+          weight: 1
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
diff --git a/apps/base/arrstack/sonarr/kustomization.yaml b/apps/base/arrstack/sonarr/kustomization.yaml
new file mode 100644
index 0000000..a7f5633
--- /dev/null
+++ b/apps/base/arrstack/sonarr/kustomization.yaml
@@ -0,0 +1,10 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - pvc-config.yaml
+  - deployment.yaml
+  - service.yaml
+  - gateway.yaml
+  - httproute.yaml
diff --git a/apps/base/arrstack/sonarr/pvc-config.yaml b/apps/base/arrstack/sonarr/pvc-config.yaml
new file mode 100644
index 0000000..8bc132c
--- /dev/null
+++ b/apps/base/arrstack/sonarr/pvc-config.yaml
@@ -0,0 +1,16 @@
+---
+# Sonarr config + SQLite DB. RWO on cephrbd (block) — the arr apps' SQLite
+# does not tolerate CephFS locking. Retain: this is state.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: sonarr-config
+  namespace: arrstack
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi
+  storageClassName: cephrbd-fast-retain
+  volumeMode: Filesystem
diff --git a/apps/base/arrstack/sonarr/service.yaml b/apps/base/arrstack/sonarr/service.yaml
new file mode 100644
index 0000000..3ee669d
--- /dev/null
+++ b/apps/base/arrstack/sonarr/service.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: sonarr
+  namespace: arrstack
+spec:
+  ports:
+    - name: http
+      port: 8989
+      protocol: TCP
+      targetPort: http
+  selector:
+    app: sonarr
+  type: ClusterIP
diff --git a/apps/overlays/au-syd1/arrstack/kustomization.yaml b/apps/overlays/au-syd1/arrstack/kustomization.yaml
new file mode 100644
index 0000000..bb227cc
--- /dev/null
+++ b/apps/overlays/au-syd1/arrstack/kustomization.yaml
@@ -0,0 +1,6 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../../base/arrstack
diff --git a/argocd/applicationsets/media.yaml b/argocd/applicationsets/media.yaml
index 9fe99a5..e5c1037 100644
--- a/argocd/applicationsets/media.yaml
+++ b/argocd/applicationsets/media.yaml
@@ -11,6 +11,7 @@ spec:
       revision: HEAD
       directories:
       - path: apps/overlays/*/jellyfin
+      - path: apps/overlays/*/arrstack
   template:
     metadata:
       name: 'media-{{path[3]}}'