corrected mistake in script location

Dockerfile

@@ -7,4 +7,4 @@ EXPOSE 53/udp
 
 VOLUME ["/etc/bind/zones", "/etc/bind/keys", "/etc/bind/scripts"]
 
-CMD scripts/start.sh
+CMD /scripts/start.sh

docker-compose.yml

@@ -8,5 +8,6 @@ services:
     volumes:
       - ./named.conf:/etc/bind/named.conf
       - ./zones:/etc/bind/zones
+      - ./scripts:/scripts
     ports:
       - "53:53/udp"