diff --git a/.credentials/SECRET_KEY b/.credentials/SECRET_KEY
new file mode 100644
index 0000000..545a6ec
--- /dev/null
+++ b/.credentials/SECRET_KEY
@@ -0,0 +1 @@
+insecure-secret-key
diff --git a/.rhosts b/.rhosts
new file mode 100644
index 0000000..66fd44f
--- /dev/null
+++ b/.rhosts
@@ -0,0 +1 @@
++@eleves thubrecht
diff --git a/default.nix b/default.nix
index 1c5378c..1bcdf3c 100644
--- a/default.nix
+++ b/default.nix
@@ -51,6 +51,9 @@ in
         ps.markdown
         ps.pillow
         ps.loadcredential
+
+        # Dev packages
+        ps.django-stubs
       ]))
     ];
 
@@ -61,6 +64,7 @@ in
 
       BOCAL_DEBUG = builtins.toJSON true;
       BOCAL_STATIC_ROOT = builtins.toString ./.static;
+      BOCAL_RHOSTS_PATH = builtins.toString ./.rhosts;
     };
 
     shellHook = ''