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+
+## DNS enteries:
+```text
+ivera-db1              IN A    192.168.0.109
+ivera-db2              IN A    192.168.0.110
+ivera-db-vip           IN A    192.168.0.115
+```
+
+
+## Master node
+
+File `docker-compose.yml`:
+```yml
+services:
+  keepalived:
+    image: osixia/keepalived:latest
+    container_name: keepalived-master
+    restart: unless-stopped
+    network_mode: host
+    cap_add:
+      - NET_ADMIN
+      - NET_RAW
+      - NET_BROADCAST
+    volumes:
+      - ./keepalived.conf:/etc/keepalived/keepalived.conf:ro
+```
+
+File `keepalived.conf`:
+```text
+vrrp_instance VI_1 {
+    state MASTER
+    interface enp1s0
+    virtual_router_id 51
+    priority 100
+    advert_int 1
+    
+    unicast_src_ip 192.168.0.109    # Replace with Master node's actual IP
+    unicast_peer {
+        192.168.0.110               # Replace with Backup node's actual IP
+    }
+
+    authentication {
+        auth_type PASS
+        auth_pass secret
+    }
+    
+    virtual_ipaddress {
+        192.168.0.115/24           # The shared Virtual IP (VIP)
+    }
+}
+```
+
+## Backup node
+
+File `docker-compose.yml`:
+```yml
+services:
+  keepalived:
+    image: osixia/keepalived:latest
+    container_name: keepalived-backup
+    restart: unless-stopped
+    network_mode: host
+    cap_add:
+      - NET_ADMIN
+      - NET_RAW
+      - NET_BROADCAST
+    volumes:
+      - ./keepalived.conf:/etc/keepalived/keepalived.conf:ro
+```
+
+File `keepalived.conf`:
+```text
+vrrp_instance VI_1 {
+    state BACKUP
+    interface enp1s0
+    virtual_router_id 51
+    priority 90
+    advert_int 1
+    
+    unicast_src_ip 192.168.0.110    # Replace with Backup node's actual IP
+    unicast_peer {
+        192.168.0.109               # Replace with Master node's actual IP
+    }
+
+    authentication {
+        auth_type PASS
+        auth_pass secret
+    }
+    
+    virtual_ipaddress {
+        192.168.0.115/24           # The shared Virtual IP (VIP)
+    }
+}
+```