Fix consul port mapping for DNS (8600->53/udp)

The program/consul container listens on port 53 for DNS services, so the 8600:8600 port map when running the container doesn't map to a working port.  
```
dig @127.0.0.1 -p 8600  app.service.consul +short
10.180.34.27
10.150.43.184
```