Models-and-Data: First working version

devenv.nix

@@ -2,7 +2,10 @@
 
 {
   # https://devenv.sh/packages/
-  packages = [ pkgs.git ];
+  packages = with pkgs; [
+    git
+    pgadmin4-desktopmode
+  ];
 
   # https://devenv.sh/languages/
   languages.python = {
@@ -10,14 +13,11 @@
     venv = {
       enable = true;
       requirements = ''
-        Faker==37.8.0
-        greenlet==3.2.4
-        psycopg==3.2.10
-        psycopg-binary==3.2.10
+        sqlacodegen==3.1.1
+        Faker==37.11.0
         python-dotenv==1.1.1
-        SQLAlchemy==2.0.44
-        typing_extensions==4.15.0
-        tzdata==2025.2
+        psycopg==3.2.11
+        psycopg-binary==3.2.11
       '';
     };
   };