diff --git a/CLAUDE.md b/CLAUDE.md
index 9a1f336..17f7351 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -288,6 +288,13 @@ The installer (`installer/install.sh`) supports two deployment modes:
 
 Standalone mode generates a simpler compose with the server running directly. No Logto, no SaaS management plane, no bootstrap. The admin logs in with local credentials at `/`.
 
+The installer uses static docker-compose templates in `installer/templates/`. Templates are copied to the install directory and composed via `COMPOSE_FILE` in `.env`:
+- `docker-compose.yml` — shared infrastructure (traefik, postgres, clickhouse)
+- `docker-compose.saas.yml` — SaaS mode (logto, cameleer-saas)
+- `docker-compose.server.yml` — standalone mode (server, server-ui)
+- `docker-compose.tls.yml` — overlay: custom TLS cert volume
+- `docker-compose.monitoring.yml` — overlay: external monitoring network
+
 ### Tenant Provisioning Flow
 
 When SaaS admin creates a tenant via `VendorTenantService`: