diff --git a/.gitmodules b/.gitmodules
index c4166f1..f73ed5a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "k3s-ansible"]
 	path = k3s-ansible
 	url = https://github.com/k3s-io/k3s-ansible
+[submodule "postgresql_cluster"]
+	path = postgresql_cluster
+	url = https://github.com/vitabaks/postgresql_cluster.git
diff --git a/Makefile b/Makefile
index 1392422..bbbda49 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-all: setup k3s wg
+all: setup wg k3s
 
 setup:
 	ansible-playbook -i "inventory/hosts.yml" "init.yml"
diff --git a/inventory/group_vars/all.yml b/inventory/group_vars/all.yml
index b95f898..05b780e 100644
--- a/inventory/group_vars/all.yml
+++ b/inventory/group_vars/all.yml
@@ -3,5 +3,11 @@ k3s_version: v1.23.6+k3s1
 # ansible_user: debian
 systemd_dir: /etc/systemd/system
 master_ip: "{{ hostvars[groups['master'][0]]['wireguard_ip'] | default(groups['master'][0]) }}"
-extra_server_args: "--no-deploy traefik --advertise-address {{hostvars[inventory_hostname]['wireguard_ip']}}"
-extra_agent_args: ""
+extra_server_args: "--no-deploy traefik --advertise-address {{hostvars[inventory_hostname]['wireguard_ip']}} --flannel-iface wg0 --tls-san {{ ansible_host }}"
+extra_agent_args: "--flannel-iface wg0 --node-external-ip {{hostvars[inventory_hostname]['ansible_default_ipv4']['address']}}"
+
+cluster_vip: "10.20.0.2"
+patroni_cluster_name: "postgres-cluster"
+with_haproxy_load_balancing: false
+postgresql_version: "14"
+postgresql_data_dir: "/var/lib/postgresql/{{ postgresql_version }}/{{ postgresql_cluster_name }}"
diff --git a/inventory/hosts.yml b/inventory/hosts.yml
index 0c6a65d..ac76f29 100644
--- a/inventory/hosts.yml
+++ b/inventory/hosts.yml
@@ -6,15 +6,10 @@ all:
             hostname: cp
             wireguard_ip: 10.20.0.2
         outsider: 
-            ansible_host: 51.15.109.2
+            ansible_host: 51.15.60.240
             is_nas: false
             hostname: outsider
             wireguard_ip: 10.20.0.1
-        local:
-            ansible_connection: local
-            ansible_host: 127.0.0.1
-            is_local: true
-            wireguard_ip: 10.20.0.3
     children:
         master:
             hosts:
@@ -22,6 +17,20 @@ all:
         node:
             hosts:
                 outsider:
+        etcd_cluster:
+            hosts:
+                cp:
+                outsider:
+        master:
+            hosts:
+                cp:
+        replica:
+            hosts:
+                outsider:
+        postgres_cluster:
+            children:
+                master:
+                replica:
         k3s_cluster:
             children:
                 master:
diff --git a/node-configuration/tasks/misc.yml b/node-configuration/tasks/misc.yml
index af8c33a..11c1d76 100644
--- a/node-configuration/tasks/misc.yml
+++ b/node-configuration/tasks/misc.yml
@@ -20,3 +20,8 @@
   ansible.builtin.hostname:
     name: "{{ hostname }}"
   when: hostname is defined
+
+- name: Install open-iscsi
+  ansible.builtin.package:
+      name: open-iscsi
+      state: present
diff --git a/postgresql_cluster b/postgresql_cluster
new file mode 160000
index 0000000..d5c67c8
--- /dev/null
+++ b/postgresql_cluster
@@ -0,0 +1 @@
+Subproject commit d5c67c8422bdf8fcf00f2ab66135945e9dfba5fd