hotfix: mysql root 유저 생성 트리거를 root 인증 + 쿼리 실행 성공으로 변경 (#60)

Author: Hexeong

modules/app_stack/scripts/mysql_setup.sh.tftpl

@@ -113,16 +113,16 @@ docker run -d \
   mysql:8.4.8
 
 MYSQL_READY=false
-for i in $(seq 1 30); do
-  if docker exec mysql-server mysqladmin ping -uroot -p"$DB_ROOT_PASS" 2>/dev/null; then
+for i in $(seq 1 90); do
+  if docker exec mysql-server mysql -uroot -p"$DB_ROOT_PASS" -e "SELECT 1" >/dev/null 2>&1; then
     MYSQL_READY=true
     break
   fi
   sleep 2
 done
 
 if [ "$MYSQL_READY" != "true" ]; then
-  echo "MySQL container did not become ready within 60 seconds." >&2
+  echo "MySQL container did not become ready for authenticated root queries within 180 seconds." >&2
   docker logs --tail 100 mysql-server >&2 || true
   exit 1
 fi