Build with filtered source

Further nixos module fixes
Add tailwind and esbuild to assets build
Handle domain on session cookies correctly

default.nix

@@ -4,18 +4,31 @@
   mixRelease,
   fetchMixDeps,
   elixir,
+  tailwindcss,
+  esbuild
 }:
 mixRelease rec {
   pname = "sso_bsn";
   version = "0.0.1";
 
   inherit elixir;
-  src = self;
+  src = builtins.path {
+    path = ./.;
+    name = "${pname}-source";
+    filter = (path: _type: baseNameOf path != "flake.nix" && baseNameOf path != "flake.lock");
+  };
   mixFodDeps = fetchMixDeps {
     pname = "mix-deps-${pname}";
     inherit version src;
     sha256 = "sha256-p74p7Dpi1xzddD+dygKF5cSLDATNKRXziKPNQgIhRPc=";
   };
+  postBuild = ''
+    ln -sfv ${tailwindcss}/bin/tailwindcss _build/tailwind-linux-x64
+    ln -sfv ${esbuild}/bin/esbuild _build/esbuild-linux-x64
+
+    mix assets.deploy
+    mix phx.digest
+  '';
 
   ELIXIR_MAKE_CACHE_DIR = "/tmp/.elixir-make-cache";
   meta.mainProgram = "sso_bsn";