Update entrypoint.sh

scripts/entrypoint.sh

@@ -46,6 +46,7 @@ NRF_IPV4_ADDRESS=${NRF_IPV4_ADDRESS:-0.0.0.0}
 NRF_PORT=${NRF_PORT:-80}
 NRF_API_VERSION=${NRF_API_VERSION:-v1}
 NRF_FQDN=${NRF_FQDN:-oai-nrf}
+USE_FQDN_DNS=${USE_FQDN_DNS:-no}
 
 if [[ ${USE_FQDN_DNS} == "yes" ]];then
     NRF_IPV4_ADDRESS=(`getent hosts $NRF_FQDN | awk '{print $1}'`)