Mount Nix camera SDK into docker container with proper LD_LIBRARY_PATH

- Update sed pattern to correctly match absolute env_file paths
- Replace [REDACTED] placeholders with VITE_SUPABASE_ANON_KEY variable reference
- Fix missing file path in sed command

flake.nix

@@ -7,6 +7,11 @@
   };
 
   outputs = { self, nixpkgs, flake-utils }:
+    {
+      # NixOS module (system-independent)
+      nixosModules.default = import ./module.nix;
+    }
+    //
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs {
@@ -95,9 +100,6 @@
           DOCKER_BUILDKIT = "1";
           COMPOSE_DOCKER_CLI_BUILD = "1";
         };
-
-        # NixOS module for deployment
-        nixosModules.default = import ./module.nix;
       }
     );
 }

module.nix

@@ -3,9 +3,9 @@
 let
   cfg = config.services.usda-vision;
   
-  # Get packages from the flake (self reference)
-  camera-sdk = config.services.usda-vision.package.camera-sdk or pkgs.callPackage ./camera-sdk.nix {};
-  usda-vision-app = config.services.usda-vision.package.usda-vision or pkgs.callPackage ./package.nix {};
+  # Get packages from the package option (must be provided)
+  camera-sdk = cfg.package.camera-sdk;
+  usda-vision-app = cfg.package.usda-vision;
 in
 
 {
@@ -127,11 +127,30 @@ in
             /var/lib/usda-vision/docker-compose.yml
         ''}
         
-        ${lib.optionalString (cfg.envFile != null) ''
+        # Configure docker-compose to use Nix-provided camera SDK
+        echo "Configuring camera SDK in docker-compose.yml..."
+        ${pkgs.gnused}/bin/sed -i \
+          -e '/^      - \/etc\/timezone:\/etc\/timezone:ro$/a\      - ${camera-sdk}/lib:/opt/camera-sdk/lib:ro' \
+          -e 's|LD_LIBRARY_PATH=/usr/local/lib:/lib:/usr/lib|LD_LIBRARY_PATH=/opt/camera-sdk/lib:/usr/local/lib:/lib:/usr/lib|' \
+          /var/lib/usda-vision/docker-compose.yml
+        
+        # Fix env_file paths to point to /var/lib/usda-vision/.env
+        echo "Fixing env_file paths in docker-compose.yml..."
+        ${pkgs.gnused}/bin/sed -i \
+          's|/var/lib/usda-vision/management-dashboard-web-app/\.env|/var/lib/usda-vision/.env|g' \
+          /var/lib/usda-vision/docker-compose.yml
+        
+        # Replace [REDACTED] placeholders with actual VITE_SUPABASE_ANON_KEY reference
+        echo "Fixing ANON_KEY references in docker-compose.yml..."
+        ${pkgs.gnused}/bin/sed -i \
+          's|\[REDACTED\]|$${VITE_SUPABASE_ANON_KEY}|g' \
+          /var/lib/usda-vision/docker-compose.yml
+        
+        if [ -n "${cfg.envFile}" ]; then
           echo "Copying environment file from managed secret..."
           cp ${cfg.envFile} /var/lib/usda-vision/.env
           chmod 644 /var/lib/usda-vision/.env
-        ''}
+        fi
         
         ${lib.optionalString (cfg.envFile == null) ''
           if [ ! -s /var/lib/usda-vision/.env ]; then