diff --git a/.gitignore b/.gitignore
index f96ed0a..ff28d7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 __pycache__
 .idea
 .venv
+build
+.env
diff --git a/.template.env b/.template.env
new file mode 100644
index 0000000..5cbcdfa
--- /dev/null
+++ b/.template.env
@@ -0,0 +1,3 @@
+DATA_FILE_PARQUET_PATH=https://www.data.gouv.fr/fr/datasets/r/11cea8e8-df3e-4ed1-932b-781e2635e432
+PORT=8050
+DEVELOPMENT=True
diff --git a/src/pages/about.py b/src/pages/about.py
index 6118c1c..0eb04f4 100644
--- a/src/pages/about.py
+++ b/src/pages/about.py
@@ -1,4 +1,4 @@
-from dash import register_page, html, page_registry
+from dash import register_page, html
 
 title = "À propos"
 
diff --git a/src/pages/home.py b/src/pages/home.py
index 8e54855..8fe98fa 100644
--- a/src/pages/home.py
+++ b/src/pages/home.py
@@ -1,12 +1,7 @@
 from dash import (
-    Dash,
     html,
     dcc,
-    callback,
-    Output,
-    Input,
     dash_table,
-    page_container,
     register_page,
 )
 from dotenv import load_dotenv