initial, step 2 already

infra/docker-compose.yml

@@ -0,0 +1,15 @@
+version: '3.8'
+
+services:
+  # Placeholder for future services
+  # Example:
+  # api:
+  #   build:
+  #     context: ..
+  #     dockerfile: apps/api/Dockerfile
+  #   ports:
+  #     - "8000:8000"
+  
+  placeholder:
+    image: alpine:latest
+    command: echo "Docker Compose placeholder - add your services here"