diff --git a/supabase/.env.sample b/supabase/.env.sample
index bc6870a3..b36a7d5f 100644
--- a/supabase/.env.sample
+++ b/supabase/.env.sample
@@ -1,6 +1,13 @@
+# CORS settings
 ALLOWED_ORIGIN=http://localhost:5173
-SMTP_HOST=...
-SMTP_USER=...
-SMTP_PASSWORD=...
-SMTP_FROM=...
-SMTP_PORT=...
\ No newline at end of file
+
+# The URL to the GeoJson file of the pumps
+PUMPS_URL=http://127.0.0.1:54321/storage/v1/object/public/data_assets/pumps.geojson
+
+# SMTP settings for sending emails (for the contact feature)
+SMTP_HOST=host.docker.internal
+SMTP_USER=""
+SMTP_PASSWORD=""
+SMTP_FROM=your_mail@test.com
+SMTP_PORT=1025
+SMTP_SECURE=false
\ No newline at end of file