diff --git a/products/docker-compose.yml b/products/docker-compose.yml
index 56e07f1..733d532 100644
--- a/products/docker-compose.yml
+++ b/products/docker-compose.yml
@@ -49,7 +49,11 @@ services:
 
   # --- dd0c Products ---
   # P1: LLM Cost Router (Rust — API server)
+  # NOTE: Rust services are behind the "rust" profile because they take 10+ min to compile.
+  # Start without Rust: docker compose up -d
+  # Start with Rust:    docker compose --profile rust up -d
   route-api:
+    profiles: ["rust"]
     build:
       context: ./01-llm-cost-router
       dockerfile: Dockerfile
@@ -68,6 +72,7 @@ services:
 
   # P1: LLM Cost Router (Rust — proxy)
   route-proxy:
+    profiles: ["rust"]
     build:
       context: ./01-llm-cost-router
       dockerfile: Dockerfile
@@ -84,6 +89,7 @@ services:
 
   # P1: LLM Cost Router (Rust — worker)
   route-worker:
+    profiles: ["rust"]
     build:
       context: ./01-llm-cost-router
       dockerfile: Dockerfile