diff --git a/container/Change.nix b/container/Change.nix
index 2471ef3..c3b4bd8 100644
--- a/container/Change.nix
+++ b/container/Change.nix
@@ -1,30 +1,24 @@
-{ storage
-, domain
-, mkContainer
-, mkContainerConfig
-, mkContainerDir
-, ... } @args: let
-	address = "10.1.0.41";
-	path    = "${storage}/change";
+{ container, ... } @args: let
+	cfg = container.config.change;
 in {
-	systemd.tmpfiles.rules = map (dir: mkContainerDir "${path}/${dir}") [
+	systemd.tmpfiles.rules = container.mkContainerDir cfg [
 		"data"
 	];
 
-	containers.change = mkContainer address {
+	containers.change = container.mkContainer cfg {
 		bindMounts = {
 			"/var/lib/changedetection-io" = {
-				hostPath   = "${path}/data";
+				hostPath   = "${cfg.storage}/data";
 				isReadOnly = false;
 			};
 		};
 
-		config = { ... }: mkContainerConfig {
+		config = { ... }: container.mkContainerConfig cfg {
 			services.changedetection-io = {
 				enable        = true;
-				baseURL       = "https://change.${domain}";
+				baseURL       = cfg.domain;
 				behindProxy   = true;
-				listenAddress = address;
+				listenAddress = cfg.address;
 			};
 		};
 	};
diff --git a/container/Cloud.nix b/container/Cloud.nix
index c4b98c4..9165443 100644
--- a/container/Cloud.nix
+++ b/container/Cloud.nix
@@ -1,26 +1,33 @@
-{ storage
-, mkContainer
-, mkContainerConfig
-, mkContainerDir
-, ... } @args: let
-	address = "10.1.0.13";
-	path    = "${storage}/cloud";
+{ pkgs, container, ... } @args: let
+	cfg = container.config.cloud;
 in {
-	systemd.tmpfiles.rules = map (dir: mkContainerDir "${path}/${dir}") [
+	systemd.tmpfiles.rules = container.mkContainerDir cfg [
 		"data"
 	];
 
-	containers.postgres = mkContainer address {
+	containers.cloud = container.mkContainer cfg {
 		bindMounts = {
 			"/var/www/html" = {
-				hostPath   = "${path}/data";
+				hostPath   = "${cfg.storage}/data";
 				isReadOnly = false;
 			};
 		};
 
-		config = { ... }: mkContainerConfig {
+		config = { ... }: container.mkContainerConfig cfg {
 			services.nextcloud = {
 				enable = true;
+				hostName = cfg.domain;
+				config = {
+					adminuser     = "root";
+					adminpassFile = "${pkgs.writeText "NextcloudPassword" "root"}";
+					dbtype = "pgsql";
+					dbhost = "10.1.0.3";
+
+				};
+				settings = {
+					trusted_domains = [ cfg.address ];
+					trusted_proxies = [ container.config.proxy.address ];
+				};
 			};
 		};
 	};
diff --git a/container/Paste.nix b/container/Paste.nix
index 49915d3..ff4a698 100644
--- a/container/Paste.nix
+++ b/container/Paste.nix
@@ -1,44 +1,34 @@
-{ pkgs
-, storage
-, domain
-, util
-, mkContainer
-, mkContainerConfig
-, mkContainerDir
-, mkServer
-, ... } @args: let
-	address = "10.1.0.14";
-	fqdn    = "paste.${domain}";
+{ pkgs, util, container, ... } @args: let
+	cfg = container.config.paste;
 	package = (pkgs.callPackage ./pastebin args);
-	path    = "${storage}/paste";
 in {
-	systemd.tmpfiles.rules = map (dir: mkContainerDir "${path}/${dir}") [
+	systemd.tmpfiles.rules = container.mkContainerDir cfg [
 		"data"
 		"tmp"
 		"nginxtmp"
 	];
 
-	containers.paste = mkContainer address {
+	containers.paste = container.mkContainer cfg {
 		bindMounts = {
 			"/srv/data" = {
-				hostPath   = "${path}/data";
+				hostPath   = "${cfg.storage}/data";
 				isReadOnly = false;
 			};
 			"/tmp" = {
-				hostPath   = "${path}/tmp";
+				hostPath   = "${cfg.storage}/tmp";
 				isReadOnly = false;
 			};
 			"/var/lib/nginx/tmp" = {
-				hostPath   = "${path}/nginxtmp";
+				hostPath   = "${cfg.storage}/nginxtmp";
 				isReadOnly = false;
 			};
 			"/srv/config" = {
-				hostPath   = "${path}/config";
+				hostPath   = "${cfg.storage}/config";
 				isReadOnly = false;
 			};
 		};
 
-		config = { config, ... }: mkContainerConfig {
+		config = { config, ... }: container.mkContainerConfig cfg {
 			environment.systemPackages = [ package ];
 			systemd.packages = [ package ];
 
@@ -73,7 +63,7 @@ in {
 
 			services.nginx = {
 				enable = true;
-				virtualHosts.${fqdn} = mkServer {
+				virtualHosts.${cfg.domain} = container.mkServer {
 					default = true;
 					root = "${package}";
 
diff --git a/container/Postgres.nix b/container/Postgres.nix
index 8d9efdb..6988a4a 100644
--- a/container/Postgres.nix
+++ b/container/Postgres.nix
@@ -1,28 +1,23 @@
-{ storage
-, host
-, mkContainer
-, mkContainerConfig
-, mkContainerDir
-, ... } @args: let
-	address = "10.1.0.3";
-	path    = "${storage}/postgres";
+{ container, ... } @args: let
+	cfg = container.config.postgres;
 in {
-	systemd.tmpfiles.rules = map (dir: mkContainerDir "${path}/${dir}") [
+	systemd.tmpfiles.rules = container.mkContainerDir cfg [
 		"data"
 	];
 
-	containers.postgres = mkContainer address {
+	containers.postgres = container.mkContainer cfg {
 		bindMounts = {
 			"/var/lib/postgresql/data" = {
-				hostPath   = "${path}/data";
+				hostPath   = "${cfg.storage}/data";
 				isReadOnly = false;
 			};
 		};
 
-		config = { pkgs, ... }: mkContainerConfig {
+		config = { pkgs, ... }: container.mkContainerConfig cfg {
 			services.postgresql = let
 				databases = [
 					"privatebin"
+					"nextcloud"
 				];
 			in {
 				enable = true;
@@ -30,8 +25,9 @@ in {
 				dataDir = "/var/lib/postgresql/data/14";
 				enableTCPIP = true;
 				authentication = ''
-					host all all ${host}/32 trust
-					host privatebin privatebin 10.1.0.14/32 trust
+					host all all ${container.host}/32 trust
+					host privatebin privatebin ${container.config.paste.address}/32 trust
+					host nextcloud nextcloud ${container.config.cloud.address}/32 trust
 				'';
 				ensureDatabases = databases;
 				ensureUsers = map (name: {
diff --git a/container/Proxy.nix b/container/Proxy.nix
index 9a8cbe1..437f057 100644
--- a/container/Proxy.nix
+++ b/container/Proxy.nix
@@ -1,32 +1,25 @@
-{ storage
-, util
-, domain
-, mkContainer
-, mkContainerConfig
-, mkContainerDir
-, ... } @args: let
-	address      = "10.1.0.2";
-	path         = "${storage}/proxy";
+{ domain, util, container, ... } @args: let
+	cfg = container.config.proxy;
 	virtualHosts = util.catSet (util.ls ./proxy/host) args;
 in {
-	systemd.tmpfiles.rules = map (dir: mkContainerDir "${path}/${dir}") [
+	systemd.tmpfiles.rules = container.mkContainerDir cfg [
 		"challenge"
 		"letsencrypt"
 	];
 
-	containers.proxy = mkContainer address {
+	containers.proxy = container.mkContainer cfg {
 		bindMounts = {
 			"/etc/letsencrypt" = {
-				hostPath   = "${path}/letsencrypt";
+				hostPath   = "${cfg.storage}/letsencrypt";
 				isReadOnly = true;
 			};
 			"/var/www/.well-known" = {
-				hostPath   = "${path}/challenge";
+				hostPath   = "${cfg.storage}/challenge";
 				isReadOnly = false;
 			};
 		};
 
-		config = { pkgs, ... }: mkContainerConfig {
+		config = { pkgs, ... }: container.mkContainerConfig cfg {
 			environment.systemPackages = with pkgs; [ certbot ];
 
 			services.nginx = {
diff --git a/container/default.nix b/container/default.nix
new file mode 100644
index 0000000..02debf5
--- /dev/null
+++ b/container/default.nix
@@ -0,0 +1,59 @@
+{ lib
+, const
+, host
+, storage
+, domain
+, ... }: {
+	inherit host;
+
+	mkContainer = config: cfg: lib.recursiveUpdate cfg {
+		autoStart      = true;
+		hostAddress    = host;
+		localAddress   = config.address;
+		privateNetwork = true;
+	};
+
+	mkContainerConfig = config: cfg: lib.recursiveUpdate cfg {
+		system.stateVersion = const.stateVersion;
+
+		users.users.root.password = "";
+		users.mutableUsers = false;
+
+		networking = {
+			useHostResolvConf = lib.mkForce false;
+			firewall.enable = false;
+		};
+	};
+
+	mkContainerDir = cfg: dirs: map (path: "d '${cfg.storage}/${path}' 1777 root root - -") dirs;
+
+	mkServer = cfg: lib.recursiveUpdate cfg {
+		forceSSL = false;
+	};
+
+	config = {
+		change = {
+			address = "10.1.0.41";
+			domain  = "change.${domain}";
+			storage = "${storage}/change";
+		};
+		cloud = {
+			address = "10.1.0.13";
+			domain  = "cloud.${domain}";
+			storage = "${storage}/cloud";
+		};
+		paste = {
+			address = "10.1.0.14";
+			domain  = "paste.${domain}";
+			storage = "${storage}/paste";
+		};
+		proxy = {
+			address = "10.1.0.2";
+			storage = "${storage}/proxy";
+		};
+		postgres = {
+			address = "10.1.0.3";
+			storage = "${storage}/postgres";
+		};
+	};
+}
diff --git a/container/proxy/host/Change.nix b/container/proxy/host/Change.nix
index 9c855d7..0da2a3b 100644
--- a/container/proxy/host/Change.nix
+++ b/container/proxy/host/Change.nix
@@ -1,8 +1,10 @@
-{ domain, util, mkServer, ... }: {
-	"change.${domain}" = mkServer {
+{ domain, util, container, ... }: let
+	cfg = container.config.change;
+in {
+	${cfg.domain} = container.mkServer {
 		extraConfig = util.trimTabs ''
 			listen 443 ssl;
-			set $change 10.1.0.41:5000;
+			set $change ${cfg.address}:5000;
 
 			location / {
 				allow 192.168.1.0/24;
diff --git a/container/proxy/host/Cloud.nix b/container/proxy/host/Cloud.nix
new file mode 100644
index 0000000..971c21a
--- /dev/null
+++ b/container/proxy/host/Cloud.nix
@@ -0,0 +1,26 @@
+{ domain, util, container, ... }: let
+	cfg = container.config.cloud;
+in {
+	${cfg.domain} = container.mkServer {
+		extraConfig = util.trimTabs ''
+			listen 443 ssl;
+			set $cloud ${cfg.address}:80;
+
+			location ~ ^/(settings/admin|settings/users|settings/apps|login|api) {
+				allow 192.168.1.0/24;
+				allow 10.1.0.1;
+				deny all;
+				proxy_pass http://$cloud$request_uri;
+			}
+			location / {
+				proxy_pass http://$cloud$request_uri;
+			}
+
+			ssl_certificate /etc/letsencrypt/live/${domain}/fullchain.pem;
+			ssl_certificate_key /etc/letsencrypt/live/${domain}/privkey.pem;
+			include /etc/letsencrypt/conf/options-ssl-nginx.conf;
+			ssl_dhparam /etc/letsencrypt/conf/ssl-dhparams.pem;
+		'';
+	};
+}
+
diff --git a/container/proxy/host/Paste.nix b/container/proxy/host/Paste.nix
index b053571..1e677d0 100644
--- a/container/proxy/host/Paste.nix
+++ b/container/proxy/host/Paste.nix
@@ -1,8 +1,10 @@
-{ domain, util, mkServer, ... }: {
-	"paste.${domain}" = mkServer {
+{ domain, util, container, ... }: let
+	cfg = container.config.paste;
+in {
+	${cfg.domain} = container.mkServer {
 		extraConfig = util.trimTabs ''
 			listen 443 ssl;
-			set $paste 10.1.0.14:80;
+			set $paste ${cfg.address}:80;
 
 			location = / {
 				return 403;
diff --git a/flake.nix b/flake.nix
index b819e46..d14d6de 100644
--- a/flake.nix
+++ b/flake.nix
@@ -125,7 +125,7 @@
 		# Constant values.
 		const = {
 			droidStateVersion = "22.11";
-			stateVersion      = "23.11";
+			stateVersion      = "24.05";
 			timeZone = "Europe/Moscow";
 			url = "https://git.voronind.com/voronind/nixos.git";
 		};
diff --git a/host/desktop/Container.nix b/host/desktop/Container.nix
index 591d288..f11a4e0 100644
--- a/host/desktop/Container.nix
+++ b/host/desktop/Container.nix
@@ -6,30 +6,7 @@
 	in {
 		inherit storage domain host pkgs const lib config util;
 
-		mkContainer = address: cfg: lib.recursiveUpdate cfg {
-			autoStart      = true;
-			hostAddress    = host;
-			localAddress   = address;
-			privateNetwork = true;
-		};
-
-		mkContainerConfig = cfg: lib.recursiveUpdate cfg {
-			system.stateVersion = const.stateVersion;
-
-			users.users.root.password = "";
-			users.mutableUsers = false;
-
-			networking = {
-				useHostResolvConf = lib.mkForce false;
-				firewall.enable = false;
-			};
-		};
-
-		mkContainerDir = path: "d '${path}' 1777 root root - -";
-
-		mkServer = cfg: lib.recursiveUpdate cfg {
-			forceSSL = false;
-		};
+		container = import ../../container args;
 	};
 in {
 	networking.nat = {
@@ -40,13 +17,15 @@ in {
 
 	# TODO: Remove this.
 	networking.extraHosts = ''
-		10.1.0.2 paste.local
 		10.1.0.2 change.local
+		10.1.0.2 cloud.local
+		10.1.0.2 paste.local
 		10.1.0.2 local
 	'';
 
 	imports = [
 		(import ../../container/Change.nix args)
+		(import ../../container/Cloud.nix args)
 		(import ../../container/Paste.nix args)
 		(import ../../container/Postgres.nix args)
 		(import ../../container/Proxy.nix args)
diff --git a/host/work/Container.nix b/host/work/Container.nix
index fcb3216..a79278b 100644
--- a/host/work/Container.nix
+++ b/host/work/Container.nix
@@ -5,26 +5,6 @@
 		host    = "192.168.0.174";
 	in {
 		inherit storage domain host pkgs const lib config util;
-
-		mkContainer = cfg: lib.recursiveUpdate cfg {
-			hostAddress = host;
-		};
-
-		mkContainerConfig = cfg: lib.recursiveUpdate cfg {
-			system.stateVersion = const.stateVersion;
-
-			users.users.root.password = "";
-			users.mutableUsers = false;
-
-			networking = {
-				useHostResolvConf = lib.mkForce false;
-				firewall.enable = false;
-			};
-		};
-
-		mkServer = cfg: lib.recursiveUpdate cfg {
-			forceSSL = false;
-		};
 	};
 in {
 	networking.nat = {