fix(cd): add health checking logs

.github/workflows/deploy-to-master.yml

@@ -97,6 +97,7 @@ jobs:
             ssh -i deploy_key.pem $SERVER "docker run --env-file /home/$ACCOUNT/upload/.env.prod -d -p $NEW_PORT:3000 --name $NEW_SERVICE_NAME -e TZ=Asia/Seoul $ECR_URL/$SERVICE_NAME"
 
             for i in {1..20}; do
+              echo "Attempting health check on $HOST (attempt $i)"
               HEALTH_CHECK=$(ssh -i deploy_key.pem $SERVER "curl -s -o /dev/null -w '%{http_code}' http://localhost:$NEW_PORT/health")
               echo "http://localhost:$NEW_PORT/health"
               echo "HTTP Status Code: $HEALTH_CHECK"
@@ -107,7 +108,7 @@ jobs:
               echo -e "\n 헬스체크 시도 $i/20 실패. 5초 후 재시도 on $HOST... \n"
               sleep 5
             done
-            
+
             if [ "$HEALTH_CHECK" -ne 200 ]; then
               ssh -i deploy_key.pem $SERVER "docker stop $NEW_SERVICE_NAME && docker rm $NEW_SERVICE_NAME"
               exit 1