K8s: vault docs (#2180)

* vault docs

* remove arch diagram

* copy edits

* page structure edits

* Update content/operate/kubernetes/security/vault.md

Co-authored-by: andy-stark-redis <[email protected]>

* Update content/operate/kubernetes/security/vault.md

Co-authored-by: andy-stark-redis <[email protected]>

* changed to table

* update index page

* scrollable tables

* copy button overlap fix

---------

Co-authored-by: andy-stark-redis <[email protected]>

Author: kaitlynmichael

assets/css/index.css

@@ -1074,6 +1074,21 @@ a[href*="#no-click"], img[src*="#no-click"] {
   background-color: #ddd;
 }
 
+/* Copy button wrapper positioning */
+.copy-button-wrapper {
+  position: absolute;
+  top: 24px;
+  right: 10px;
+  z-index: 1;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.copy-button-wrapper.expand-content-wrapper {
+  right: 20px;
+}
+
 /* AI Agent Builder Styles */
 
 .agent-builder-container {
@@ -1225,6 +1240,51 @@ a[href*="#no-click"], img[src*="#no-click"] {
   }
 }
 
+/* Fix copy button overlap on smaller screens */
+@media (max-width: 768px) {
+  /* Ensure code blocks have enough padding on the right to accommodate copy button */
+  .highlight {
+    padding-right: 60px !important;
+  }
+
+  /* Adjust copy button wrapper positioning for smaller screens */
+  .copy-button-wrapper {
+    right: 8px !important;
+    top: 8px !important;
+  }
+
+  .copy-button-wrapper.expand-content-wrapper {
+    right: 12px !important;
+  }
+
+  /* Make copy buttons slightly smaller on mobile */
+  .copy-button-wrapper .clipboard-button,
+  .copy-button-wrapper .download-yaml-btn {
+    width: 28px !important;
+    height: 28px !important;
+    padding: 2px !important;
+  }
+}
+
+@media (max-width: 480px) {
+  /* Even more padding for very small screens */
+  .highlight {
+    padding-right: 70px !important;
+  }
+
+  /* Stack buttons vertically on very small screens if both copy and download are present */
+  .copy-button-wrapper {
+    flex-direction: column !important;
+    gap: 4px !important;
+    right: 4px !important;
+    top: 4px !important;
+  }
+
+  .copy-button-wrapper.expand-content-wrapper {
+    right: 8px !important;
+  }
+}
+
 /* Form Groups */
 .form-group {
   @apply space-y-2;

content/operate/kubernetes/security/_index.md

@@ -18,6 +18,7 @@ Configure security settings for your Redis Enterprise deployment on Kubernetes.
 Manage cluster credentials and authentication settings:
 
 - [Manage REC credentials]({{< relref "/operate/kubernetes/security/manage-rec-credentials" >}}) - Configure and manage Redis Enterprise cluster credentials
+- [Configuration secrets]({{< relref "/operate/kubernetes/security/configuration-secrets" >}}) - Store Redis Enterprise configuration items in Kubernetes Secrets for automatic updates and secure management
 - [LDAP authentication]({{< relref "/operate/kubernetes/security/ldap" >}}) - Integrate with LDAP for centralized authentication
 
 ## Certificates and encryption
@@ -28,6 +29,12 @@ Configure TLS certificates and encryption for secure communications:
 - [Add client certificates]({{< relref "/operate/kubernetes/security/add-client-certificates" >}}) - Set up client certificate authentication for databases
 - [Internode encryption]({{< relref "/operate/kubernetes/security/internode-encryption" >}}) - Enable encryption between cluster nodes
 
+## Secret management
+
+Configure external secret management systems:
+
+- [HashiCorp Vault integration]({{< relref "/operate/kubernetes/security/vault" >}}) - Configure HashiCorp Vault as the centralized secret management system for Redis Enterprise for Kubernetes
+
 ## Resource management
 
 Configure security-related resource settings: