Fix spacing

Author: Isabella

docker-compose.yml

@@ -10,16 +10,16 @@ services:
       - discoveryservice
 
   notificationservice:
-      depends_on:
-        - discoveryservice
-        - rabbitmq
-      image: aista/notification-service
-      command: notification-service
-      ports:
-        - "32700:32700"
-      environment:
-        - RABBIT_HOST=rabbitmq
-        - EUREKA_SERVER=discoveryservice
+    depends_on:
+      - discoveryservice
+      - rabbitmq
+    image: aista/notification-service
+    command: notification-service
+    ports:
+      - "32700:32700"
+    environment:
+      - RABBIT_HOST=rabbitmq
+      - EUREKA_SERVER=discoveryservice
 
   discoveryservice:
     image: aista/eureka