Deploy qBittorrent through Proton VPN

apps/qbittorrent/deployment.yaml

@@ -0,0 +1,124 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: qbittorrent
+  namespace: qbittorrent
+spec:
+  # qBittorrent has one writable configuration volume and one Proton port
+  # forwarding lease, so upgrades replace the Pod rather than overlap two.
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: qbittorrent
+  template:
+    metadata:
+      labels:
+        app: qbittorrent
+    spec:
+      # The SOPS-managed Secret is read-only, but Hotio writes Proton's current
+      # forwarded port beside wg0.conf. Copy the secret into a writable emptyDir
+      # without ever storing the plaintext WireGuard key in Git.
+      initContainers:
+        - name: prepare-wireguard-config
+          image: busybox:1.37.0
+          command:
+            - sh
+            - -ec
+            - >-
+              cp /vpn-secret/wg0.conf /wireguard/wg0.conf &&
+              chmod 0600 /wireguard/wg0.conf
+          volumeMounts:
+            - name: wireguard-secret
+              mountPath: /vpn-secret
+              readOnly: true
+            - name: wireguard-runtime
+              mountPath: /wireguard
+      containers:
+        - name: qbittorrent
+          image: ghcr.io/hotio/qbittorrent:release
+          imagePullPolicy: Always
+          securityContext:
+            # Hotio needs this capability to create the WireGuard interface,
+            # routes, firewall rules, and VPN kill switch inside the Pod.
+            capabilities:
+              add:
+                - NET_ADMIN
+          env:
+            - name: PUID
+              value: "1000"
+            - name: PGID
+              value: "1000"
+            - name: UMASK
+              value: "002"
+            - name: TZ
+              value: Europe/London
+            - name: WEBUI_PORTS
+              value: 8080/tcp
+            - name: VPN_ENABLED
+              value: "true"
+            - name: VPN_CONF
+              value: wg0
+            - name: VPN_PROVIDER
+              value: proton
+            # Permit ingress-nginx and the media application Pods to reach the
+            # Web UI/API without allowing ordinary internet traffic to bypass
+            # the VPN. The LAN range is also retained for cluster-local access.
+            - name: VPN_LAN_NETWORK
+              value: 10.10.0.0/16,10.244.0.0/21
+            - name: VPN_LAN_LEAK_ENABLED
+              value: "false"
+            # Proton assigns a dynamic inbound port through NAT-PMP. Hotio
+            # renews it and updates qBittorrent's listening port automatically.
+            - name: VPN_AUTO_PORT_FORWARD
+              value: "true"
+            - name: VPN_HEALTHCHECK_ENABLED
+              value: "true"
+            - name: VPN_NAMESERVERS
+              value: wg
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          startupProbe:
+            httpGet:
+              path: /
+              port: http
+            periodSeconds: 5
+            timeoutSeconds: 3
+            failureThreshold: 36
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 3
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+            periodSeconds: 30
+            timeoutSeconds: 10
+            failureThreshold: 3
+          volumeMounts:
+            - name: qbittorrent-config
+              mountPath: /config
+            - name: wireguard-runtime
+              mountPath: /config/wireguard
+            - name: torrents
+              mountPath: /data/torrents
+      volumes:
+        - name: qbittorrent-config
+          persistentVolumeClaim:
+            claimName: qbittorrent-config
+        - name: wireguard-secret
+          secret:
+            secretName: qbittorrent-wireguard
+        - name: wireguard-runtime
+          emptyDir: {}
+        - name: torrents
+          nfs:
+            server: nas.ahmza.com
+            path: /srv/media/torrents

apps/qbittorrent/ingress.yaml

@@ -0,0 +1,24 @@
+# Routes qbittorrent.ahmza.com through the cluster's shared ingress-nginx IP.
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: qbittorrent
+  namespace: qbittorrent
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+spec:
+  tls:
+    - hosts:
+        - qbittorrent.ahmza.com
+      secretName: qbittorrent-tls
+  rules:
+    - host: qbittorrent.ahmza.com
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: qbittorrent
+                port:
+                  number: 8080

apps/qbittorrent/namespace.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: qbittorrent
+  # NET_ADMIN is not allowed by Kubernetes' baseline Pod Security profile.
+  # Scope the exception to this VPN application instead of weakening the
+  # cluster.
+  labels:
+    pod-security.kubernetes.io/enforce: privileged
+    pod-security.kubernetes.io/audit: privileged
+    pod-security.kubernetes.io/warn: privileged

apps/qbittorrent/pvc.yaml

@@ -0,0 +1,13 @@
+# qBittorrent's database and settings survive Pod replacements on Longhorn.
+# Download data is stored separately on the NAS mount in deployment.yaml.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: qbittorrent-config
+  namespace: qbittorrent
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi

apps/qbittorrent/service.yaml

@@ -0,0 +1,14 @@
+# Only qBittorrent's management UI/API is exposed inside the cluster. Peer
+# traffic uses Proton's dynamically forwarded VPN port, not this Service.
+apiVersion: v1
+kind: Service
+metadata:
+  name: qbittorrent
+  namespace: qbittorrent
+spec:
+  selector:
+    app: qbittorrent
+  ports:
+    - name: http
+      port: 8080
+      targetPort: http

apps/qbittorrent/wireguard.sops.yaml

@@ -0,0 +1,25 @@
+apiVersion: isindir.github.com/v1alpha3
+kind: SopsSecret
+metadata:
+    name: qbittorrent-wireguard
+    namespace: qbittorrent
+spec:
+    secretTemplates:
+        - name: qbittorrent-wireguard
+          stringData:
+            wg0.conf: ENC[AES256_GCM,data:0zOMbAXi6S+3v95lDxt0FbO2WPbbqmciAzjcXMQ0+yyFmX8yVaxZHwiAbSzGZn8Prn3q1FOE0WtmM7KRg+Unpa5laivSfC9AWT8f3sFjIoWk2jdzUo5uqNGSXpHEi58tgbYqPCdHkwamxycgjll6wO7lG56vJKH/Xs/1EPgqhv1PEg+X7HfDibIYK9PVgvxzZLKB8QhrJmlU9X5IFMFiWC+w3ZGMGUSXip/q5Z22XKRtbcAF9ydWlqfyeRSct2pDO4tgrS3ErCNXe5aMBErQR0DkiKBkFd8D8WL2Z1Qu2pqtOq7rMlcR7kufSk5V+5MHUNAC3hQSk4VDYnVBj3OEhdhaYrLY3uzwpYWKtD5YaiDx2wG9aC+O5qyFAPxxpQo0a6MhEFZMh78dhMzozcpLRzjlfKzjefT2dQ+egSSSVimBXCYVsHKPC5+ODqclpf6cGBWH82m0KXisIQfjAdMUSoULcFH/9ChGy+LFemyA7IkgBJ3fHTVPjC7iWGOFWF6YsCkLZcXAIIoy985ZdY5kyc/e,iv:Y31DyDiNDYtEYTRR1AKqQUtA3SvlhsrPJObJ9lwVXYE=,tag:pvuIFRYKBmjlEVXtkbA1Bw==,type:str]
+sops:
+    age:
+        - enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBiV3VUbCtrMUFxeGd4ZVEw
+            STFhYTNFc0lqdlJQWVpPd3h0UWV3bS8xUG1FClM3NkZvS1g5RkFLWlNYSnVYMnBX
+            NEExdmNIUnNJUmhxd0tnajgyYWxXbW8KLS0tIHQrWGNMYmx4Tll4aUpTcG9pb0pj
+            V0NIMStWK2xlODdSVGIxZW9yVkJZR0UKVKky5FJkkGmd5QnNgZBE3Pyxi8+fo6SI
+            5dSXTwviUo8x/Rp6aSVrty1e1l9uDJ1fD6qagsUpXXbR7GBnpje+yg==
+            -----END AGE ENCRYPTED FILE-----
+          recipient: age1udejf5qa66rd6yvj5r8dz0fjnqfh0quf4t339c3cpqr26mkx2ydq3zel07
+    encrypted_regex: ^(data|stringData)$
+    lastmodified: "2026-11-01T13:07:18Z"
+    mac: ENC[AES256_GCM,data:p2x6f9Zslq+ftYjEXIGZZdAmrEPmM2vsgL4gB18RFOnmj9njNqeKCQoXu1A4+FOoEGB0PmwfPFSOo1pLk9LJRpL6F6LS4EP8r8YWwQ4NXUj92cC2Uqps/jwCGmqAbaTlIUsywtFX3SSWXWvf7HoQ2f7WeHtpz5AXGdTjFz3zL1g=,iv:b+N/yhHBHw9cYHPHEPnxbc/tEfYWdeTFNF455YavM5A=,tag:JbotWISa5AGrhWqdDpks9w==,type:str]
+    version: 3.13.3