fix: PageHead header alignment, analytics proxy, and infra improvements (#64)

🤖 Pull request created from `various-fixes` containing PageHead
breadcrumbs and navigation alignment fixes, Umami analytics proxy, and
infrastructure updates.

ci/k8s/infrastructure/networking/ingress-beacon.yaml

@@ -0,0 +1,39 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: beacon-ingress
+  namespace: com-ermnvldmr
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web,websecure
+    traefik.ingress.kubernetes.io/router.middlewares: com-ermnvldmr-strip-beacon@kubernetescrd
+    traefik.ingress.kubernetes.io/router.priority: "100"
+spec:
+  ingressClassName: traefik
+  tls:
+    - hosts:
+        - www.ermnvldmr.com
+      secretName: ermnvldmr-tls
+    - hosts:
+        - docs.ermnvldmr.com
+      secretName: docs-ermnvldmr-tls
+  rules:
+    - host: www.ermnvldmr.com
+      http:
+        paths:
+          - path: /beacon
+            pathType: Prefix
+            backend:
+              service:
+                name: umami-service
+                port:
+                  number: 3000
+    - host: docs.ermnvldmr.com
+      http:
+        paths:
+          - path: /beacon
+            pathType: Prefix
+            backend:
+              service:
+                name: umami-service
+                port:
+                  number: 3000

ci/k8s/infrastructure/networking/ingress.yaml

@@ -1,23 +1,18 @@
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
-  name: main-ingress
+  name: www-ingress
   namespace: com-ermnvldmr
   annotations:
     cert-manager.io/cluster-issuer: letsencrypt-prod
     traefik.ingress.kubernetes.io/router.entrypoints: web,websecure
+    traefik.ingress.kubernetes.io/router.middlewares: com-ermnvldmr-sec-headers-common@kubernetescrd,com-ermnvldmr-sec-headers-www@kubernetescrd
 spec:
   ingressClassName: traefik
   tls:
     - hosts:
         - www.ermnvldmr.com
       secretName: ermnvldmr-tls
-    - hosts:
-        - docs.ermnvldmr.com
-      secretName: docs-ermnvldmr-tls
-    - hosts:
-        - umami.ermnvldmr.com
-      secretName: umami-ermnvldmr-tls
   rules:
     - host: www.ermnvldmr.com
       http:
@@ -29,6 +24,23 @@ spec:
                 name: www-service
                 port:
                   number: 80
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: docs-ingress
+  namespace: com-ermnvldmr
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+    traefik.ingress.kubernetes.io/router.entrypoints: web,websecure
+    traefik.ingress.kubernetes.io/router.middlewares: com-ermnvldmr-sec-headers-common@kubernetescrd,com-ermnvldmr-sec-headers-docs@kubernetescrd
+spec:
+  ingressClassName: traefik
+  tls:
+    - hosts:
+        - docs.ermnvldmr.com
+      secretName: docs-ermnvldmr-tls
+  rules:
     - host: docs.ermnvldmr.com
       http:
         paths:
@@ -39,6 +51,23 @@ spec:
                 name: docs-service
                 port:
                   number: 80
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: umami-ingress
+  namespace: com-ermnvldmr
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+    traefik.ingress.kubernetes.io/router.entrypoints: web,websecure
+    traefik.ingress.kubernetes.io/router.middlewares: com-ermnvldmr-sec-headers-common@kubernetescrd,com-ermnvldmr-sec-headers-umami@kubernetescrd
+spec:
+  ingressClassName: traefik
+  tls:
+    - hosts:
+        - umami.ermnvldmr.com
+      secretName: umami-ermnvldmr-tls
+  rules:
     - host: umami.ermnvldmr.com
       http:
         paths:

ci/k8s/infrastructure/networking/kustomization.yaml

@@ -2,3 +2,9 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - ingress.yaml
+  - middleware-strip-beacon.yaml
+  - ingress-beacon.yaml
+  - middleware-sec-headers-common.yaml
+  - middleware-sec-headers-www.yaml
+  - middleware-sec-headers-docs.yaml
+  - middleware-sec-headers-umami.yaml

ci/k8s/infrastructure/networking/middleware-sec-headers-common.yaml

@@ -0,0 +1,18 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: sec-headers-common
+  namespace: com-ermnvldmr
+spec:
+  headers:
+    stsSeconds: 63072000
+    stsIncludeSubdomains: true
+    stsPreload: true
+    forceSTSHeader: true
+    customFrameOptionsValue: "DENY"
+    contentTypeNosniff: true
+    browserXssFilter: false
+    referrerPolicy: "strict-origin-when-cross-origin"
+    customResponseHeaders:
+      Cross-Origin-Opener-Policy: "same-origin"
+      Permissions-Policy: "camera=(), microphone=(), geolocation=(), browsing-topics=()"

ci/k8s/infrastructure/networking/middleware-sec-headers-docs.yaml

@@ -0,0 +1,8 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: sec-headers-docs
+  namespace: com-ermnvldmr
+spec:
+  headers:
+    contentSecurityPolicy: "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://static.ermnvldmr.com; font-src 'self' data:; connect-src 'self'; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; require-trusted-types-for 'script'; trusted-types default; upgrade-insecure-requests;"

ci/k8s/infrastructure/networking/middleware-sec-headers-umami.yaml

@@ -0,0 +1,10 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: sec-headers-umami
+  namespace: com-ermnvldmr
+spec:
+  headers:
+    contentSecurityPolicy: "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:; connect-src 'self'; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; upgrade-insecure-requests;"
+    customResponseHeaders:
+      Content-Security-Policy-Report-Only: "require-trusted-types-for 'script'; trusted-types default;"

ci/k8s/infrastructure/networking/middleware-sec-headers-www.yaml

@@ -0,0 +1,8 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: sec-headers-www
+  namespace: com-ermnvldmr
+spec:
+  headers:
+    contentSecurityPolicy: "default-src 'self'; script-src 'self' 'sha256-gUpIj4OcSwECFlSp351SCYJAe1wTOCQlrKBlASuO3CY=' 'sha256-3VjVzYfJpuNMLKyrxQTIc8ACxv37paQ4Talwg1s/7N0='; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://static.ermnvldmr.com; font-src 'self' data:; connect-src 'self'; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; require-trusted-types-for 'script'; trusted-types default; upgrade-insecure-requests;"

ci/k8s/infrastructure/networking/middleware-strip-beacon.yaml

@@ -0,0 +1,9 @@
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: strip-beacon
+  namespace: com-ermnvldmr
+spec:
+  stripPrefix:
+    prefixes:
+      - /beacon