feat(k8s/infrastructure/traefik): add HSTS middleware on websecure entrypoint

kubernetes/infrastructure/controllers/traefik/middleware-hsts.yaml

@@ -0,0 +1,12 @@
+---
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: hsts
+  namespace: traefik
+spec:
+  headers:
+    stsSeconds: 31536000
+    stsIncludeSubdomains: true
+    stsPreload: true
+    forceSTSHeader: true

kubernetes/infrastructure/controllers/traefik/release.yaml

@@ -28,6 +28,8 @@ spec:
     ingressRoute:
       dashboard:
         enabled: true
+    additionalArguments:
+      - "--entryPoints.websecure.http.middlewares=traefik-hsts@kubernetescrd"
     service:
       type: ClusterIP
     ports: