diff --git a/config.local.php.example b/config.local.php.example
new file mode 100644
index 0000000..3cbc2d8
--- /dev/null
+++ b/config.local.php.example
@@ -0,0 +1,20 @@
+<?php
+namespace Garradin;
+
+// Some random key of more than 30 characters 
+// openssl rand -base64 40
+const SECRET_KEY = '0OeAjxqVVXhHslYOshVKweVa/Br7x2izi53h9JKt+PsMV6bd1B1R6Q==';
+
+// SMTP parameters
+const SMTP_HOST = 'your.smtp.server';
+const SMTP_PORT = 25;
+const SMTP_SECURITY = 'NONE';
+
+// Upgrades should be handled by new docker image version
+const ENABLE_UPGRADES = false;
+
+// Storage quota
+const FILE_STORAGE_QUOTA = 1*1024*1024*1024; // 1 Go
+
+// Command line to use chromium to generate PDF documents
+const PDF_COMMAND = 'chromium --no-sandbox --headless --disable-dev-shm-usage --autoplay-policy=no-user-gesture-required --no-first-run --disable-gpu --disable-features=DefaultPassthroughCommandDecoder --use-fake-ui-for-media-stream --use-fake-device-for-media-stream --disable-sync --print-to-pdf=%2$s %1$s';