init: copied out of combined project

flake.nix

@@ -0,0 +1,28 @@
+{
+  description = "attempting sample app with oauth";
+  inputs.nixpkgs.url = "github:nixos/nixpkgs";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  # add this line
+  inputs.sbt-derivation.url = "github:zaninime/sbt-derivation";
+  # recommended for first style of usage documented below, but not necessary
+  inputs.sbt-derivation.inputs.nixpkgs.follows = "nixpkgs";
+
+  outputs = { self, nixpkgs, flake-utils, sbt-derivation }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.scala-cli
+            pkgs.sbt
+            pkgs.scalafmt
+            pkgs.nodePackages.tailwindcss
+            pkgs.nodePackages.prettier
+            pkgs.jdk
+            pkgs.pocketbase
+          ];
+        };
+      });
+  # see https://serokell.io/blog/practical-nix-flakes
+}