#16 board : thymeleaf - decoupled logic setting

board/build.gradle

@@ -33,6 +33,7 @@ dependencies {
     compileOnly 'org.projectlombok:lombok'
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
     annotationProcessor 'org.projectlombok:lombok'
+    annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
 
     // queryDSL 설정

board/src/main/java/com/example/board/BoardApplication.java

@@ -2,7 +2,9 @@ package com.example.board;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
 
+@ConfigurationPropertiesScan
 @SpringBootApplication
 public class BoardApplication {
 

board/src/main/java/com/example/board/config/ThymeleafConfig.java

@@ -0,0 +1,36 @@
+package com.example.board.config;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.ConstructorBinding;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
+
+@Configuration
+public class ThymeleafConfig {
+
+    @Bean
+    public SpringResourceTemplateResolver thymeleafTemplateResolver(
+            SpringResourceTemplateResolver defaultTemplateResolver,
+            Thymeleaf3Properties thymeleaf3Properties
+    ) {
+        defaultTemplateResolver.setUseDecoupledLogic(thymeleaf3Properties.isDecoupledLogic());
+
+        return defaultTemplateResolver;
+    }
+
+
+    @RequiredArgsConstructor
+    @Getter
+    @ConstructorBinding
+    @ConfigurationProperties("spring.thymeleaf3")
+    public static class Thymeleaf3Properties {
+        /**
+         * Use Thymeleaf 3 Decoupled Logic
+         */
+        private final boolean decoupledLogic;
+    }
+
+}

board/src/main/resources/application.yaml

@@ -28,6 +28,8 @@ spring:
     rest:
       base-path: /api
       detection-strategy: annotated
+  thymeleaf3:
+    decoupled-logic: true
 
 ---