diff --git a/DAV_Containers/birthday-sync/.env b/DAV_Containers/birthday-sync/.env
new file mode 100644
index 0000000..f36b027
--- /dev/null
+++ b/DAV_Containers/birthday-sync/.env
@@ -0,0 +1,25 @@
+SERVICE_NAME=birthday-sync
+DOMAIN_NAME=example.com
+
+CARDAV_SERVER_URL=
+CARDAV_USERNAME=
+CARDAV_PASSWORD=
+CALDAV_SERVER_URL=
+CALDAV_USERNAME=
+CALDAV_PASSWORD=
+BIRTHDAY_EVENT_TITLE=🎂 {name}'s Birthday
+BIRTHDAY_EVENT_DESCRIPTION=Birthday of {name}
+BIRTHDAY_REMINDER_DAYS=1,7
+BIRTHDAY_REMINDER_MESSAGE=Reminder: {name}'s birthday is in {days} days!
+BIRTHDAY_EVENT_CATEGORY=Birthday
+BIRTHDAY_UPDATE_EXISTING=true
+RUN_MODE=daemon
+SYNC_SCHEDULE=0 6 * * *
+DIAGNOSTIC_SCHEDULE=0 7 * * 0
+SYNC_INTERVAL_HOURS=0
+STARTUP_DELAY=30
+DEBUG=false
+TZ=UTC
+LOG_LEVEL=INFO
+LOG_TO_FILE=false
+HEALTH_CHECK_CONNECTIVITY=false
\ No newline at end of file