diff --git a/.gitignore b/.gitignore
index 247163f..f07777b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,12 +10,6 @@ __pycache__/
 .venv/
 venv/
 
-# Env files
-.env
-.env.*
-!.env.example
-!.env.production.example
-
 # macOS
 .DS_Store
 
diff --git a/backend/.env b/backend/.env
new file mode 100644
index 0000000..4e33275
--- /dev/null
+++ b/backend/.env
@@ -0,0 +1,16 @@
+# memberapi.ose.tw backend env (development)
+APP_ENV=development
+PORT=8000
+
+DB_HOST=127.0.0.1
+DB_PORT=54321
+DB_NAME=member_center
+DB_USER=member_ose
+DB_PASSWORD=CHANGE_ME
+
+AUTHENTIK_BASE_URL=
+AUTHENTIK_ADMIN_TOKEN=
+AUTHENTIK_VERIFY_TLS=false
+
+PUBLIC_FRONTEND_ORIGINS=https://member.ose.tw,https://mkt.ose.tw,https://admin.ose.tw
+INTERNAL_SHARED_SECRET=CHANGE_ME