diff --git a/.env b/.env
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--- /dev/null
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+# 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