Fix docker-compose.yml sed and enable submodules

default.nix

@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ inputs, ... }@moduleArgs:
 
 # ============================================================================
 # USDA Dashboard External System Module
@@ -23,13 +23,28 @@
 }:
 
 let
+  # Get the directory where this module is located
+  moduleDir = builtins.toString (builtins.dirOf moduleArgs);
+  
   # Create a derivation that packages the usda-vision directory
   usda-vision-app = pkgs.stdenv.mkDerivation {
     pname = "usda-vision";
     version = "1.0.0";
     
-    # Use the directory from this repository
-    src = ./usda-vision;
+    # Use the directory from this repository with explicit source filtering
+    src = lib.cleanSourceWith {
+      src = "${moduleDir}/usda-vision";
+      filter = path: type:
+        let
+          baseName = baseNameOf path;
+        in
+        # Exclude git, but include everything else
+        baseName != ".git" &&
+        baseName != ".cursor" &&
+        baseName != "__pycache__" &&
+        baseName != "node_modules" &&
+        baseName != ".venv";
+    };
     
     nativeBuildInputs = [ pkgs.makeWrapper pkgs.rsync ];
     
@@ -56,11 +71,11 @@ let
       rm -f $out/opt/usda-vision/.env
       
       # Update docker-compose.yml to use /var/lib/usda-vision/.env
+      # Use temp file in /tmp to avoid permission issues
       if [ -f $out/opt/usda-vision/docker-compose.yml ]; then
-        ${pkgs.gnused}/bin/sed -i 's|env_file:.*management-dashboard-web-app/\.env|env_file: /var/lib/usda-vision/.env|g' \
-          $out/opt/usda-vision/docker-compose.yml
-        ${pkgs.gnused}/bin/sed -i 's|\./management-dashboard-web-app/\.env|/var/lib/usda-vision/.env|g' \
-          $out/opt/usda-vision/docker-compose.yml
+        ${pkgs.gnused}/bin/sed 's|env_file:.*management-dashboard-web-app/\.env|env_file: /var/lib/usda-vision/.env|g; s|\./management-dashboard-web-app/\.env|/var/lib/usda-vision/.env|g' \
+          $out/opt/usda-vision/docker-compose.yml > /tmp/docker-compose.yml.tmp
+        mv /tmp/docker-compose.yml.tmp $out/opt/usda-vision/docker-compose.yml
       fi
       
       # Create convenience scripts