diff --git a/cloud-pc/nextcloud/docker-compose.yml b/cloud-pc/nextcloud/docker-compose.yml
index c581f67..c975d7a 100644
--- a/cloud-pc/nextcloud/docker-compose.yml
+++ b/cloud-pc/nextcloud/docker-compose.yml
@@ -1,18 +1,4 @@
 services:
-  postgres:
-    image: postgres:${PG_VER}-alpine
-    container_name: postgres
-    hostname: postgres
-    restart: unless-stopped
-    volumes:
-      - /opt/data/postgres:/var/lib/postgresql/data
-    environment:
-      TZ: Europe/Moscow
-      POSTGRES_DB: ${DB_NAME}
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
-    ports:
-      - 5432:5432
   redis:
     image: redis:alpine
     container_name: redis
@@ -20,6 +6,7 @@ services:
     restart: unless-stopped
     environment:
       TZ: Europe/Moscow
+
   nextcloud:
     image: nextcloud:${NC_VER}
     container_name: nextcloud
@@ -32,7 +19,6 @@ services:
     extra_hosts:
       - ${NC_DOMAIN}:host-gateway
     depends_on:
-      - postgres
       - redis
     volumes:
       - /opt/configs/nextcloud/app:/var/www/html
@@ -45,12 +31,9 @@ services:
       NEXTCLOUD_OVERWRITEPROTOCOL: https
       NEXTCLOUD_ADMIN_USER: ${NC_ADMIN_USER}
       NEXTCLOUD_ADMIN_PASSWORD: ${NC_ADMIN_PASSWORD}
-      POSTGRES_HOST: postgres
-      POSTGRES_DB: ${DB_NAME}
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
       REDIS_HOST: redis
       TRUSTED_PROXIES: ${TRUSTED_PROXIES}
+
   cron:
     image: nextcloud:${NC_VER}
     hostname: cron
@@ -64,9 +47,6 @@ services:
       - nextcloud
     environment:
       TZ: Europe/Moscow
-      POSTGRES_HOST: postgres
-      POSTGRES_DB: ${DB_NAME}
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
       REDIS_HOST: redis
+
 networks: {}
diff --git a/nixos/hosts/cloud-pc/default.nix b/nixos/hosts/cloud-pc/default.nix
index f3ef8e4..ca8008f 100644
--- a/nixos/hosts/cloud-pc/default.nix
+++ b/nixos/hosts/cloud-pc/default.nix
@@ -5,16 +5,11 @@
     ../../modules/base.nix
     ../../modules/docker.nix
     ../../modules/libvirtd.nix
+    ../../modules/zerotier.nix
     ./firewall.nix
     ./hardware.nix
   ];
 
-  systemd.services.nix-daemon.environment = {
-    HTTPS_PROXY = "http://192.168.1.10:10172";
-    HTTP_PROXY = "http://192.168.1.10:10172";
-    NO_PROXY = "localhost,127.0.0.0/8,::1,192.168.1.0/24";
-  };
-
   networking = {
     hostName = "cloud-pc";
     useDHCP = false;
@@ -50,18 +45,6 @@
     options = [ "nofail" ];
   };
 
-  systemd.network.wait-online.anyInterface = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  services.zerotierone = {
-    enable = true;
-    joinNetworks = [
-      "743993800fa5a34c"
-    ];
-  };
-
   systemd.tmpfiles.rules = [
     "d /opt/data/postgres 0755 ada users - -"
     "d /opt/data/nextcloud 0755 ada users - -"
diff --git a/nixos/hosts/mini-pc/default.nix b/nixos/hosts/mini-pc/default.nix
index 478dc56..b431233 100644
--- a/nixos/hosts/mini-pc/default.nix
+++ b/nixos/hosts/mini-pc/default.nix
@@ -5,16 +5,11 @@
     ../../modules/base.nix
     ../../modules/docker.nix
     ../../modules/libvirtd.nix
+    ../../modules/zerotier.nix
     ./firewall.nix
     ./hardware.nix
   ];
 
-  systemd.services.nix-daemon.environment = {
-    HTTPS_PROXY = "http://192.168.1.10:10172";
-    HTTP_PROXY = "http://192.168.1.10:10172";
-    NO_PROXY = "localhost,127.0.0.0/8,::1,192.168.1.0/24";
-  };
-
   networking = {
     hostName = "mini-pc";
     useDHCP = false;
@@ -22,7 +17,6 @@
 
   systemd.network = {
     enable = true;
-    wait-online.anyInterface = true;
     networks."10-lan" = {
       matchConfig.Name = "en*";
       networkConfig = {
@@ -41,16 +35,6 @@
     fallbackDns = [ "1.1.1.1" "8.8.8.8" ];
   };
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  services.zerotierone = {
-    enable = true;
-    joinNetworks = [
-      "743993800fa5a34c"
-    ];
-  };
-
   systemd.tmpfiles.rules = [
     "d /opt/data/adguard 0755 ada users - -"
     "d /opt/data/adguard/work 0755 ada users - -"
diff --git a/nixos/hosts/mini-pc/firewall.nix b/nixos/hosts/mini-pc/firewall.nix
index c73f9c9..7147815 100644
--- a/nixos/hosts/mini-pc/firewall.nix
+++ b/nixos/hosts/mini-pc/firewall.nix
@@ -2,22 +2,19 @@
   networking.firewall = {
     enable = true;
     allowedTCPPorts = [
-      22
+      22 # SSH
       53 # DNS (AdGuard)
       80 # HTTP
       443 # HTTPS
       784 # DNS-over-QUIC
       853 # DNS-over-TLS
       3001 # Uptime Kuma
-      3015 
-      10171 # v2raya SOCKS5 LAN
-      10172 # v2raya HTTP proxy LAN
-      20171 # v2raya SOCKS5 (localhost)
-      20172 # v2raya HTTP proxy (localhost)
-      20170 # v2raya mixed
+      3015
       4438
       5443
       8088
+      10171 # v2raya SOCKS5 LAN
+      10172 # v2raya HTTP proxy LAN
       10380
     ];
     allowedUDPPorts = [
diff --git a/nixos/modules/base.nix b/nixos/modules/base.nix
index 67adf34..4ac6857 100644
--- a/nixos/modules/base.nix
+++ b/nixos/modules/base.nix
@@ -13,7 +13,19 @@
     };
   };
 
-  boot.tmp.cleanOnBoot = true;
+  boot = {
+    tmp.cleanOnBoot = true;
+    loader.systemd-boot.enable = true;
+    loader.efi.canTouchEfiVariables = true;
+  };
+
+  systemd.network.wait-online.anyInterface = true;
+
+  systemd.services.nix-daemon.environment = {
+    HTTPS_PROXY = "http://192.168.1.10:10172";
+    HTTP_PROXY  = "http://192.168.1.10:10172";
+    NO_PROXY    = "localhost,127.0.0.0/8,::1,192.168.1.0/24";
+  };
 
   time.timeZone = "Europe/Moscow";
 
diff --git a/nixos/modules/zerotier.nix b/nixos/modules/zerotier.nix
new file mode 100644
index 0000000..f9bcad8
--- /dev/null
+++ b/nixos/modules/zerotier.nix
@@ -0,0 +1,6 @@
+{
+  services.zerotierone = {
+    enable = true;
+    joinNetworks = [ "743993800fa5a34c" ];
+  };
+}