diff --git a/.gitignore b/.gitignore
index f624964..bff6960 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,8 @@ MANIFEST
 
 # Virtual environments
 .env
+.env.*
+!.env.example
 .venv
 env/
 venv/
diff --git a/demo.app.py b/demo_app.py
similarity index 100%
rename from demo.app.py
rename to demo_app.py