Fix docker-compose YAML: env_file and service block indentations

docker-compose.yml

@@ -5,12 +5,14 @@ services:
       dockerfile: gateway/Dockerfile
     ports:
       - "8003:8000"
+    env_file:
+      - .env
     environment:
       - CLIP_URL=http://clip:8000
       - BLIP_URL=http://blip:8000
       - YOLO_URL=http://yolo:8000
       - QDRANT_SVC_URL=http://qdrant-svc:8000
-      - API_KEY=please-change-me
+      - API_KEY=${API_KEY}
       - VISION_TIMEOUT=300
       - MAX_IMAGE_BYTES=52428800
     depends_on:
@@ -47,14 +49,11 @@ services:
       context: .
       dockerfile: clip/Dockerfile
     environment:
-    env_file:
-      - .env
       - MODEL_NAME=ViT-B-32
       - MODEL_PRETRAINED=openai
 
   blip:
     build:
-      - API_KEY=${API_KEY}
       context: .
       dockerfile: blip/Dockerfile
     environment: