Add TestContainers sample for Doma Spring Boot

doma-spring-boot-samples/doma-spring-boot-sample-testcontainers/pom.xml

@@ -48,11 +48,7 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter</artifactId>
-            <scope>test</scope>
-        </dependency>
+        <!-- JUnit is managed by Spring Boot -->
         <!-- Spring Boot manages TestContainers dependencies -->
         <dependency>
             <groupId>org.springframework.boot</groupId>

doma-spring-boot-samples/doma-spring-boot-sample-testcontainers/src/main/java/org/seasar/doma/boot/sample/MessageController.java

@@ -11,7 +11,7 @@
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
-@RequestMapping("/")
+@RequestMapping(path = "/")
 public class MessageController {
 
 	private final MessageDao messageDao;

doma-spring-boot-samples/doma-spring-boot-sample-testcontainers/src/main/resources/application.properties

@@ -1,6 +1,6 @@
-# Development configuration using TestContainers
 spring.sql.init.mode=always
 
 # Doma configuration
 doma.naming=SNAKE_LOWER_CASE
 logging.level.org.springframework.jdbc.support.JdbcTransactionManager=DEBUG
+logging.level.org.seasar.doma.jdbc=DEBUG