Enable Postgres on Linode server

hosts/linode/default.nix

@@ -3,6 +3,7 @@
 {
 	imports = [
 		../../profiles/linode.nix
+		./postgres.nix
 	];
-    networking.hostName = "linode";
+	networking.hostName = "linode";
 }

hosts/linode/postgres.nix

@@ -0,0 +1,42 @@
+{ config, ... }:
+
+{
+	services.postgresql = {
+		enable = true;
+		checkConfig = true;
+		ensureDatabases = [ "synapse" "nextcloud" ];
+		ensureUsers = [ {
+			name = "synapse";
+			ensurePermissions."DATABASE synapse" = "ALL PRIVILEGES";
+		} {
+			name = "root";
+			ensurePermissions."ALL TABLES IN SCHEMA public" = "ALL PRIVILEGES";
+		} ];
+		settings = {
+			log_connections = true;
+			log_statement = "all";
+			logging_collector = true;
+		};
+		identMap = ''
+root root root
+'';
+	};
+
+	services.postgresqlBackup.enable = true;
+
+	services.logrotate = {
+		enable = true;
+		paths = {
+			postgres = {
+				enable = true;
+				path = "${config.services.postgresqlBackup.location}/*.gz";
+			};
+		};
+	};
+
+	services.syncthing.folders."postgres-backups" = {
+		path = "${config.services.postgresqlBackup.location}";
+		enable = true;
+		devices = [ "nas" ];
+	};
+}