feat(cluster): add error-pages (#207)

cluster/apps/networking/error-pages/helm-release.yaml

@@ -0,0 +1,40 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: error-pages
+  namespace: networking
+spec:
+  interval: 5m
+  chart:
+    spec:
+      chart: error-pages
+      version: 1.1.2
+      sourceRef:
+        kind: HelmRepository
+        name: k8s-at-home-charts
+        namespace: flux-system
+      interval: 5m
+  dependsOn:
+    - name: traefik
+      namespace: networking
+  install:
+    createNamespace: true
+    remediation:
+      retries: 3
+  upgrade:
+    remediation:
+      retries: 3
+  values:
+    image:
+      repository: ghcr.io/tarampampam/error-pages
+      tag: 2.15.0
+    env:
+      TEMPLATE_NAME: lost-in-space
+      SHOW_DETAILS: "false"
+    resources:
+      requests:
+        memory: 100Mi
+        cpu: 100m
+      limits:
+        memory: 250Mi

cluster/apps/networking/error-pages/ingress-route.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: error-pages
+  namespace: networking
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - kind: Rule
+      match: HostRegexp(`{host:.+}`)
+      priority: 1
+      services:
+        - kind: Service
+          name: error-pages
+          port: 8080
+  tls:
+    secretName: error-pages-tls

cluster/apps/networking/error-pages/kustomization.yaml

@@ -0,0 +1,6 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - helm-release.yaml
+  - ingress-route.yaml

cluster/apps/networking/kustomization.yaml

@@ -2,6 +2,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - error-pages
   - cloudflare-ddns
   - external-dns
   - k8s-gateway

cluster/apps/networking/traefik/middlewares/error-pages.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: error-pages
+  namespace: networking
+spec:
+  errors:
+    status:
+      - "400-599"
+    query: /{status}.html
+    service:
+      name: error-pages
+      port: 8080

cluster/apps/networking/traefik/middlewares/kustomization.yaml

@@ -2,5 +2,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - error-pages.yaml
   - cloudflare-only.yaml
   - internal-only.yaml