[EDIT]repositoryの修正

src/main/java/com/example/demo/app/infra/repository/UserRepository.java

@@ -3,6 +3,7 @@ package com.example.demo.app.infra.repository;
 import java.util.Optional;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 import com.example.demo.app.infra.entity.UserEntity;
@@ -10,6 +11,10 @@ import com.example.demo.app.infra.entity.UserEntity;
 @Repository
 public interface UserRepository extends JpaRepository<UserEntity, Long> {
 
-    Optional<UserEntity> findByMailAddressAndPassword(String mailAddress, String password);
+    @Query("select u from UserEntity u where u.mailAddress = :mailAddress and u.password = :password and u.deleteFlag = 0")
+    Optional<UserEntity> findByMailAddressAndPassword(
+            String mailAddress,
+            String password);
+
 }