Home-manager to module

modules/host/postgresql.nix

@@ -0,0 +1,19 @@
+{config, pkgs, ... }:{
+  config.services.postgresql = {
+    enable = true;
+    ensureDatabases = [ "test" ];
+    authentication = pkgs.lib.mkOverride 10 ''
+      #type database  DBuser  auth-method
+      local all       all     trust
+      # ipv4
+      host  all      all     127.0.0.1/32   trust
+      # ipv6
+      host all       all     ::1/128        trust
+    '';
+    initialScript = pkgs.writeText "backend-initScript" ''
+    CREATE ROLE nixcloud WITH LOGIN PASSWORD 'nixcloud' CREATEDB;
+    CREATE DATABASE nixcloud;
+    GRANT ALL PRIVILEGES ON DATABASE nixcloud TO nixcloud;
+  '';
+  };
+}