kubernetes/apps/gatus/configmap.yaml

@@ -29,6 +29,7 @@ metadata:
 #     Web Service 8 = Audiobookshelf
 #     Web Service 9 = Music Assistant
 #     Web Service 10 = TRMNL
+#     Web Service 11 = Paperless (gate-level only, see its entry)
 data:
   config.yaml: |
     storage:
@@ -172,6 +173,29 @@ data:
         conditions:
           - "[STATUS] == any(200, 301, 302)"
 
+      # Paperless sits entirely behind the Authentik gate — every path,
+      # including /api/, answers 302 to unauthenticated callers, so there is no
+      # endpoint that proves the app rather than the gate. This check is
+      # therefore reachability only: DNS, TLS, Traefik and the outpost. It
+      # stays green if paperless itself is dead behind a live gate.
+      #
+      # Closing that blind spot needs an in-cluster probe of the paperless
+      # ClusterIP, which crosses a namespace boundary and so needs a
+      # CiliumNetworkPolicy first — the monitoring probes get away without one
+      # only because their targets share a namespace with the prober.
+      - name: Web Service 11
+        group: services
+        url: https://paperless.renner.uno
+        interval: 60s
+        ui:
+          hide-hostname: true
+          hide-url: true
+          hide-port: true
+          hide-conditions: true
+          hide-errors: true
+        conditions:
+          - "[STATUS] == any(200, 301, 302)"
+
       # Removed 2026-05-21: Jellyfin (media.renner.uno), Wiki (wiki.renner.uno),
       # InfluxDB (influx.renner.uno) — hostnames NXDOMAIN, no Ingress; services
       # no longer deployed. Re-add when/if they come back.

kubernetes/apps/gatus/deployment.yaml

@@ -28,9 +28,30 @@ spec:
       labels:
         app: gatus
     spec:
+      # The upstream image is FROM scratch with no USER, so without this the
+      # pod runs as root and trips PodSecurity restricted on four counts.
+      #
+      # The uid is numeric because a scratch image carries no /etc/passwd for
+      # the kubelet to resolve a name against. fsGroup is what makes the switch
+      # survivable: the only write path is the sqlite store on the RWO volume
+      # (/data/gatus.db, see the storage stanza in the ConfigMap), and fsGroup
+      # both chowns the existing volume and leaves the directory group-writable
+      # so sqlite can create its -wal and -journal siblings next to the db.
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 65532
+        runAsGroup: 65532
+        fsGroup: 65532
+        seccompProfile:
+          type: RuntimeDefault
       containers:
         - name: gatus
           image: twinproduction/gatus:v5.36.0 # {"$imagepolicy": "flux-system:gatus"}
+          securityContext:
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+                - ALL
           ports:
             - containerPort: 8080
               name: http

kubernetes/apps/monitoring-rules/probes-blackbox.yaml

@@ -66,6 +66,11 @@ spec:
         # parameter, 200 means initialized, unsealed and serving, on whichever
         # node answers; 503 sealed and 501 uninitialized both stay red.
         - https://openbao.renner.uno/v1/sys/health?standbyok=true
+        # ical-proxy serves an unauthenticated /health that answers 200 with
+        # {"status":"healthy"}. Unlike the gated hostnames this is real app
+        # health, not reachability — the root path returns 404 by design, since
+        # the service only answers on calendar paths.
+        - https://ical-proxy.renner.uno/health
         # APP-HEALTH probes for the gated monitoring UIs, from the correct
         # in-cluster vantage (monitoring-vantage-point-rule): the gate is
         # only on the ingress, so the ClusterIP /-/healthy endpoints are
@@ -78,6 +83,11 @@ spec:
         # external reachability probe above; it is not the health vantage.)
         - http://kube-prometheus-stack-alertmanager.monitoring.svc.cluster.local:9093/-/healthy
         - http://kube-prometheus-stack-prometheus.monitoring.svc.cluster.local:9090/-/healthy
+        # Loki has no external vantage at all: its ingress requires auth on
+        # every path, so an outside probe can only ever report 401. In-cluster
+        # /ready answers 200 unauthenticated and is in this namespace, so the
+        # same intra-namespace allowance the two above rely on covers it.
+        - http://loki.monitoring.svc.cluster.local:3100/ready
 # WAN-path probes of the public edge BY PROXY IP. The name-based
 # home.renner.uno probe above resolves in-cluster (CoreDNS/k8s_gateway)
 # and never leaves the LAN — the vantage-point blind spot that let the