diff --git a/cluster/README.md b/cluster/README.md
index 84c8d29..3b84d18 100644
--- a/cluster/README.md
+++ b/cluster/README.md
@@ -5,6 +5,7 @@
 **Table of Contents:**
 
 - [Common](#common)
+  - [OCI Mirrors Cache](#oci-mirrors-cache)
 - [Master Node](#master-node)
   - [Master Node - proxmox vm](#master-node---proxmox-vm)
   - [Master Node - network configuration](#master-node---network-configuration)
@@ -51,6 +52,78 @@ nameserver 192.168.14.254
 EOF
 ```
 
+### OCI Mirrors Cache
+
+``` bash
+# /etc/rancher/k3s/registries.yaml
+
+mirrors:
+  # --- Docker Hub (all aliases → docker-mirror) ---
+  docker.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/docker-mirror
+  registry-1.docker.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/docker-mirror
+  index.docker.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/docker-mirror
+
+  # --- GHCR ---
+  ghcr.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/ghcr-mirror
+
+  # --- Quay.io ---
+  quay.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/quay-mirror
+
+  # --- Kubernetes official registry ---
+  registry.k8s.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/k8s-mirror
+
+  # --- Google Container Registry (your "grc-mirror") ---
+  gcr.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/grc-mirror
+
+  # --- AWS Public ECR ---
+  public.ecr.aws:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/aws-mirror
+
+  # --- Microsoft Container Registry ---
+  mcr.microsoft.com:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/mcr-proxy
+
+  # --- GitLab Container Registry ---
+  registry.gitlab.com:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/gitlab-mirror
+
+  # --- Bitnami (namespace under Docker Hub) ---
+  docker.io/bitnami:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/bitnami-mirror
+
+  # --- Red Hat registry ---
+  registry.redhat.io:
+    endpoint:
+      - https://oci.limbosolutions.com/v2/readheat-mirror
+      
+
+configs:
+  oci.limbosolutions.com:
+    auth:
+      username: <username>
+      password: <password>
+    tls:
+      insecure_skip_verify: false
+```
+
 ## Master Node
 
 |  Name    | Value                          |