최초 세팅

src/main/java/com/madeu/config/DatabaseConfig.java

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+package com.madeu.config;
+
+import com.zaxxer.hikari.HikariDataSource;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.mybatis.spring.SqlSessionTemplate;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.jdbc.DataSourceBuilder;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
+
+import javax.sql.DataSource;
+
+@Configuration
+public class DatabaseConfig {
+	
+	@Bean
+	@ConfigurationProperties(prefix = "spring.datasource.hikari")
+	public DataSource dataSource(){
+		return DataSourceBuilder.create()
+				.type(HikariDataSource.class)
+				.build();
+	}
+	
+	@Bean
+	public SqlSessionFactory sqlSessionFactory(DataSource dataSource, ApplicationContext applicationContext) throws Exception{
+		SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();
+		factoryBean.setDataSource(dataSource);
+		factoryBean.setMapperLocations(applicationContext.getResources("classpath:/mappers/**/*.xml"));
+		
+		return factoryBean.getObject();
+	}
+	
+	@Bean
+	public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory){
+		return new SqlSessionTemplate(sqlSessionFactory);
+	}
+	
+	@Bean
+	public DataSourceTransactionManager transactionManager(DataSource dataSource) {
+		return new DataSourceTransactionManager(dataSource);
+	}
+
+}

src/main/java/com/madeu/config/SchedulerConfig.java

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+package com.madeu.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.SchedulingConfigurer;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
+import org.springframework.scheduling.config.ScheduledTaskRegistrar;
+
+@Configuration
+public class SchedulerConfig implements SchedulingConfigurer {
+	private final int POOL_SIZE = 10;
+	
+	@Override
+	public void configureTasks(ScheduledTaskRegistrar scheduledTaskRegistrar) {
+		ThreadPoolTaskScheduler threadPoolTaskScheduler = new ThreadPoolTaskScheduler();
+		
+		threadPoolTaskScheduler.setPoolSize(POOL_SIZE);
+		threadPoolTaskScheduler.setThreadNamePrefix("my-scheduled-task-pool-");
+		threadPoolTaskScheduler.initialize();
+		
+		scheduledTaskRegistrar.setTaskScheduler(threadPoolTaskScheduler);
+	}
+}

src/main/java/com/madeu/config/ThymeleafLayoutConfig.java

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+package com.madeu.config;
+
+import nz.net.ultraq.thymeleaf.layoutdialect.LayoutDialect;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ThymeleafLayoutConfig {
+
+	@Bean
+	public LayoutDialect layoutDialect() {
+		return new LayoutDialect();
+	}
+}

src/main/java/com/madeu/config/WebConfig.java

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+package com.madeu.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.Resource;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.resource.PathResourceResolver;
+
+import java.io.IOException;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+    
+    @Value("${file.upload-path}")
+    private String uploadPath;
+    
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/cdn/**")
+                .addResourceLocations("file:" + uploadPath + "/")
+                .setCachePeriod(3600) // 1시간 캐싱
+                .resourceChain(true)
+                .addResolver(new PathResourceResolver() {
+                    @Override
+                    protected Resource getResource(String resourcePath, Resource location) throws IOException {
+                        Resource requestedResource = location.createRelative(resourcePath);
+                        
+                        // 보안 검증: 허용된 파일 타입만
+                        if (requestedResource.exists() && requestedResource.isReadable() 
+                            && isAllowedResource(requestedResource)) {
+                            return requestedResource;
+                        }
+                        return null;
+                    }
+                    
+                    private boolean isAllowedResource(Resource resource) {
+                        try {
+                            String filename = resource.getFilename();
+                            return filename != null && 
+                                   (filename.toLowerCase().endsWith(".jpg") || 
+                                    filename.toLowerCase().endsWith(".jpeg") || 
+                                    filename.toLowerCase().endsWith(".png") || 
+                                    filename.toLowerCase().endsWith(".gif") || 
+                                    filename.toLowerCase().endsWith(".webp") ||
+                                    filename.toLowerCase().endsWith(".bmp") ||
+                                    filename.toLowerCase().endsWith(".svg"));
+                        } catch (Exception e) {
+                            return false;
+                        }
+                    }
+                });
+    }
+}