Corrected acme-dns docker-compose

docker/acme-dns.yaml

@@ -1,4 +1,4 @@
-version: '2'
+version: '3'
 services:
   acmedns:
     image: joohoi/acme-dns:latest
@@ -8,5 +8,5 @@ services:
       - "53:53/udp"
       - "80:80"
     volumes:
-      - ./config:/opt/opt/acme-dns/config:ro
-      - ./data:/opt/acme-dns/data
+      - /opt/acme-dns/config:/etc/acme-dns:ro
+      - /opt/acme-dns/data:/var/lib/acme-dns