Small refactor and added prowlarr

nixos/server/package-configs/postgres/configuration.nix

@@ -0,0 +1,42 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  services.postgresql = {
+    # https://nixos.org/manual/nixos/stable/#module-postgresql
+    package = pkgs.postgresql_16;
+    enable = true;
+
+    # Ensure the database, user, and ownership is set
+    ensureDatabases = [
+      "nextcloud"
+      "onlyoffice"
+      "akkoma"
+      "gotosocial"
+      "gitea"
+    ];
+    ensureUsers = [
+      {
+        name = "nextcloud";
+        ensureDBOwnership = true;
+      }
+      {
+        name = "onlyoffice";
+        ensureDBOwnership = true;
+      }
+      {
+        name = "akkoma";
+        ensureDBOwnership = true;
+      }
+      {
+        name = "gotosocial";
+        ensureDBOwnership = true;
+      }
+      {
+        name = "gitea";
+        ensureDBOwnership = true;
+      }
+    ];
+  };
+}

nixos/server/package-configs/postgres/upgrade.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  environment.systemPackages = [
+    (let
+      # XXX specify the postgresql package you'd like to upgrade to.
+      # Do not forget to list the extensions you need.
+      newPostgres = pkgs.postgresql_16.withPackages (pp: [
+        # pp.plv8
+      ]);
+    in
+      pkgs.writeScriptBin "upgrade-pg-cluster" ''
+        set -eux
+        # XXX it's perhaps advisable to stop all services that depend on postgresql
+        systemctl stop postgresql
+
+        export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
+
+        export NEWBIN="${newPostgres}/bin"
+
+        export OLDDATA="${config.services.postgresql.dataDir}"
+        export OLDBIN="${config.services.postgresql.package}/bin"
+
+        install -d -m 0700 -o postgres -g postgres "$NEWDATA"
+        cd "$NEWDATA"
+        sudo -u postgres $NEWBIN/initdb -D "$NEWDATA"
+
+        sudo -u postgres $NEWBIN/pg_upgrade \
+          --old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
+          --old-bindir $OLDBIN --new-bindir $NEWBIN \
+          "$@"
+      '')
+  ];
+}