diff --git a/.DS_Store b/.DS_Store
index cbbe98a..6e59327 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.gitattributes.txt b/.gitattributes.txt
deleted file mode 100644
index 2125666..0000000
--- a/.gitattributes.txt
+++ /dev/null
@@ -1 +0,0 @@
-* text=auto
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8e69e07
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/.idea
+
diff --git a/.idea/GDSC_SERVER_STUDY.iml b/.idea/GDSC_SERVER_STUDY.iml
new file mode 100644
index 0000000..f959fa3
--- /dev/null
+++ b/.idea/GDSC_SERVER_STUDY.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="SonarLintModuleSettings">
+    <option name="uniqueId" value="6a155bf4-c166-4a64-8913-ec3faa4a4973" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..275d26c
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Gradle Imported" enabled="true">
+        <outputRelativeToContentRoot value="true" />
+        <processorPath useClasspath="false">
+          <entry name="$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.projectlombok/lombok/1.18.26/8f8cf0372abf564913e9796623aac4c8ea44025a/lombok-1.18.26.jar" />
+        </processorPath>
+        <module name="SpringBootPractice.main" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file
diff --git a/ServerStudyPractice/.idea/gradle.xml b/.idea/gradle.xml
similarity index 58%
rename from ServerStudyPractice/.idea/gradle.xml
rename to .idea/gradle.xml
index 0ead08a..618fedd 100644
--- a/ServerStudyPractice/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,14 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="PLATFORM" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice" />
         <option name="modules">
           <set>
-            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice" />
           </set>
         </option>
       </GradleProjectSettings>
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..fdc392f
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/ServerStudyPractice/.idea/misc.xml b/.idea/misc.xml
similarity index 59%
rename from ServerStudyPractice/.idea/misc.xml
rename to .idea/misc.xml
index 8917924..611a919 100644
--- a/ServerStudyPractice/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -2,9 +2,9 @@
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="FrameworkDetectionExcludesConfiguration">
-    <file type="web" url="file://$PROJECT_DIR$" />
+    <file type="web" url="file://$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="19" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" project-jdk-name="19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..d0e3016
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/GDSC_SERVER_STUDY.iml" filepath="$PROJECT_DIR$/.idea/GDSC_SERVER_STUDY.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/SpringBootPractice.main.iml" filepath="$PROJECT_DIR$/.idea/modules/SpringBootPractice.main.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..c94dc45
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="44b4eb75-a9cc-46d6-868d-e96d722b5f03" name="Changes" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/.gitignore" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/gradle.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/jarRepositories.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/vcs.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.gitignore" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.idea/gradle.xml" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.idea/gradle.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.idea/misc.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/caches/journal-1/journal-1.lock" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/caches/journal-1/journal-1.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/daemon/8.2/registry.bin" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/daemon/8.2/registry.bin" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/daemon/8.2/registry.bin.lock" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/daemon/8.2/registry.bin.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.properties" beforeDir="false" afterPath="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.properties" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="ExternalProjectsData">
+    <projectState path="$PROJECT_DIR$/suucong/SpringBoot/SpringBootPractice">
+      <ProjectState />
+    </projectState>
+  </component>
+  <component name="ExternalProjectsManager">
+    <system id="GRADLE">
+      <state>
+        <projects_view>
+          <tree_state>
+            <expand />
+            <select />
+          </tree_state>
+        </projects_view>
+      </state>
+    </system>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectColorInfo"><![CDATA[{
+  "customColor": "",
+  "associatedIndex": 4
+}]]></component>
+  <component name="ProjectId" id="2WNngLDMZ1m1aQPUmPm7ZF00QbV" />
+  <component name="ProjectViewState">
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RequestMappingsPanelOrder0": "0",
+    "RequestMappingsPanelOrder1": "1",
+    "RequestMappingsPanelWidth0": "75",
+    "RequestMappingsPanelWidth1": "75",
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "WebServerToolWindowFactoryState": "false",
+    "git-widget-placeholder": "CH3__2",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "vue.rearranger.settings.migration": "true"
+  }
+}]]></component>
+  <component name="RunManager">
+    <configuration name="Application" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
+      <module name="SpringBootPractice.main" />
+      <option name="SPRING_BOOT_MAIN_CLASS" value="com.sujin.book.springboot.Application" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="44b4eb75-a9cc-46d6-868d-e96d722b5f03" name="Changes" comment="" />
+      <created>1696582016004</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1696582016004</updated>
+      <workItem from="1696582017074" duration="435000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/ServerStudyPractice/.idea/.gitignore b/ServerStudyPractice/.idea/.gitignore
deleted file mode 100644
index 13566b8..0000000
--- a/ServerStudyPractice/.idea/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
diff --git a/ServerStudyPractice/settings.gradle b/ServerStudyPractice/settings.gradle
deleted file mode 100644
index 4ce9650..0000000
--- a/ServerStudyPractice/settings.gradle
+++ /dev/null
@@ -1,2 +0,0 @@
-rootProject.name = 'ServerStudyPractice'
-
diff --git a/suucong/.DS_Store b/suucong/.DS_Store
new file mode 100644
index 0000000..80a1e4a
Binary files /dev/null and b/suucong/.DS_Store differ
diff --git a/ServerStudyPractice/.gitignore b/suucong/SpringBoot/SpringBootPractice/.gitignore
similarity index 100%
rename from ServerStudyPractice/.gitignore
rename to suucong/SpringBoot/SpringBootPractice/.gitignore
diff --git a/ServerStudyPractice/build.gradle b/suucong/SpringBoot/SpringBootPractice/build.gradle
similarity index 78%
rename from ServerStudyPractice/build.gradle
rename to suucong/SpringBoot/SpringBootPractice/build.gradle
index 6e4b62d..b5da408 100644
--- a/ServerStudyPractice/build.gradle
+++ b/suucong/SpringBoot/SpringBootPractice/build.gradle
@@ -28,10 +28,13 @@ repositories {
 
 dependencies {
     implementation('org.springframework.boot:spring-boot-starter-web')
-    testImplementation('org.springframework.boot:spring-boot-starter-test')
-    testImplementation('junit:junit:4.12')      // Junit 4.12 라이브러리 추가
     implementation('org.projectlombok:lombok')
     annotationProcessor('org.projectlombok:lombok')
+    implementation('org.springframework.boot:spring-boot-starter-data-jpa')
+    implementation('com.h2database:h2')
+    testImplementation('org.springframework.boot:spring-boot-starter-test')
+    testImplementation('junit:junit:4.12')      // Junit 4.12 라이브러리 추가
+    implementation ('org.springframework.boot:spring-boot-starter-mustache')    // mustache starter 라이브러리 추가
 }
 
 test {
diff --git a/ServerStudyPractice/gradle/wrapper/gradle-wrapper.jar b/suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.jar
similarity index 100%
rename from ServerStudyPractice/gradle/wrapper/gradle-wrapper.jar
rename to suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.jar
diff --git a/ServerStudyPractice/gradle/wrapper/gradle-wrapper.properties b/suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.properties
similarity index 80%
rename from ServerStudyPractice/gradle/wrapper/gradle-wrapper.properties
rename to suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.properties
index 768277e..ee38219 100644
--- a/ServerStudyPractice/gradle/wrapper/gradle-wrapper.properties
+++ b/suucong/SpringBoot/SpringBootPractice/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Sep 17 21:41:43 KST 2023
+#Mon Oct 02 08:27:41 KST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/ServerStudyPractice/gradlew b/suucong/SpringBoot/SpringBootPractice/gradlew
similarity index 100%
rename from ServerStudyPractice/gradlew
rename to suucong/SpringBoot/SpringBootPractice/gradlew
diff --git a/ServerStudyPractice/gradlew.bat b/suucong/SpringBoot/SpringBootPractice/gradlew.bat
similarity index 100%
rename from ServerStudyPractice/gradlew.bat
rename to suucong/SpringBoot/SpringBootPractice/gradlew.bat
diff --git a/suucong/SpringBoot/SpringBootPractice/settings.gradle b/suucong/SpringBoot/SpringBootPractice/settings.gradle
new file mode 100644
index 0000000..40d2fc5
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name = 'SpringBootPractice'
+
diff --git a/ServerStudyPractice/src/main/java/com/sujin/book/springboot/Application.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/Application.java
similarity index 83%
rename from ServerStudyPractice/src/main/java/com/sujin/book/springboot/Application.java
rename to suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/Application.java
index 91d2bda..86fddbb 100644
--- a/ServerStudyPractice/src/main/java/com/sujin/book/springboot/Application.java
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/Application.java
@@ -1,7 +1,9 @@
 package com.sujin.book.springboot;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+@EnableJpaAuditing  // JPA Auditing 어노테이션을 모두 활성화 할 수 있도록 함.
 @SpringBootApplication  // 스프링부트의 자동 설정, 스프링 Bean 읽기와 생성을 모두 자동으로 설정. 이 어노테이션이 있는 위치부터 설정을 읽어가기 떄문에 이 클래스는 항상 프로젝트 최상단에 위치해야함.
 public class Application {
     public static void main(String[] args) {
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/BaseTimeEntity.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/BaseTimeEntity.java
new file mode 100644
index 0000000..3960be1
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/BaseTimeEntity.java
@@ -0,0 +1,23 @@
+package com.sujin.book.springboot.domain;
+
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.MappedSuperclass;
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@Getter
+@MappedSuperclass   // JPA 엔타티 클래스들이 이 클래스를 상속할 경우 필드들(createdDate, modifiedDate)도 칼럼으로 인식하도록 한다.
+@EntityListeners(AuditingEntityListener.class)  // 이 클래스에 Auditing 기능을 포함시킨다. JPA Auditing 기능은 데이타베이스 엔티티의 변경 이력을 추적하고 기록하는 기능
+public abstract class BaseTimeEntity {  // 모든 Entity의 상위 클래스가 되어 Entity들의 createdDate, modifiedDate를 자동으로 관리하는 역할
+
+    @CreatedDate    // Entity가 생성되어 저장될 때 시간이 자동 저장
+    private LocalDateTime createdDate;
+
+    @LastModifiedDate   // 조회한 Entity의 값을 변경할 때 시간이 자동 저장.
+    private LocalDateTime modifiedDate;
+
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/posts/Posts.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/posts/Posts.java
new file mode 100644
index 0000000..432aa41
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/posts/Posts.java
@@ -0,0 +1,41 @@
+package com.sujin.book.springboot.domain.posts;
+
+import com.sujin.book.springboot.domain.BaseTimeEntity;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class Posts extends BaseTimeEntity {     // BaseTimeEntity 클래스를 상속받음.
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(length = 500, nullable = false)
+    private String title;
+
+    @Column(columnDefinition = "TEXT", nullable = false)
+    private String content;
+
+    private String author;
+
+    @Builder
+    public Posts(String title, String content, String author) {
+        this.title = title;
+        this.content = content;
+        this.author = author;
+    }
+
+    public void update(String title, String content) {
+        this.title = title;
+        this.content = content;
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/posts/PostsRepository.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/posts/PostsRepository.java
new file mode 100644
index 0000000..03f55af
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/posts/PostsRepository.java
@@ -0,0 +1,14 @@
+package com.sujin.book.springboot.domain.posts;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
+
+public interface PostsRepository extends JpaRepository<Posts, Long>{
+
+    // SpringDataJpa에서 제공하는 기본 메서드만으로 해결 가능하지만. Query가
+    // 가독성이 좋기 때문에 선택해서 사용하면 된다.
+    @Query("SELECT p FROM Posts p ORDER BY p.id DESC")
+    List<Posts> findAllDesc();
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/products/Products.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/products/Products.java
new file mode 100644
index 0000000..a4bb681
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/products/Products.java
@@ -0,0 +1,42 @@
+package com.sujin.book.springboot.domain.products;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class Products {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long productNum;
+
+    @Column(length = 200, nullable = false)
+    private String name;
+
+    @Column(nullable = false)
+    private Long price;
+
+    @Column(nullable = false)
+    private Long stock;
+
+    @Column(length = 200, nullable = false)
+    private String category;
+
+    @Builder
+    public Products(String name, Long price, Long stock, String category) {
+        this.name = name;
+        this.price = price;
+        this.stock = stock;
+        this.category = category;
+    }
+
+    public void update(String name, Long price, Long stock, String category) {
+        this.name = name;
+        this.price = price;
+        this.stock = stock;
+        this.category = category;
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/products/ProductsRepository.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/products/ProductsRepository.java
new file mode 100644
index 0000000..3fd3e99
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/domain/products/ProductsRepository.java
@@ -0,0 +1,6 @@
+package com.sujin.book.springboot.domain.products;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ProductsRepository extends JpaRepository<Products, Long> {
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/service/posts/PostsService.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/service/posts/PostsService.java
new file mode 100644
index 0000000..d0b98ad
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/service/posts/PostsService.java
@@ -0,0 +1,60 @@
+package com.sujin.book.springboot.service.posts;
+
+import com.sujin.book.springboot.domain.posts.Posts;
+import com.sujin.book.springboot.domain.posts.PostsRepository;
+import com.sujin.book.springboot.web.dto.PostsListResponseDto;
+import com.sujin.book.springboot.web.dto.PostsResponseDto;
+import com.sujin.book.springboot.web.dto.PostsSaveRequestDto;
+import com.sujin.book.springboot.web.dto.PostsUpdateRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RequiredArgsConstructor
+@Service
+public class PostsService {
+    private final PostsRepository postsRepository;
+
+    @Transactional
+    public Long save(PostsSaveRequestDto requestDto) {
+        return postsRepository.save(requestDto.toEntity()).getId();
+    }
+
+    @Transactional
+    public Long update(Long id, PostsUpdateRequestDto requestDto) {
+        Posts posts = postsRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id=" + id));
+        posts.update(requestDto.getTitle(), requestDto.getContent());
+
+        return id;
+    }
+
+    @Transactional
+    public PostsResponseDto findById(Long id) {
+        Posts entity = postsRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id=" + id));
+
+        return new PostsResponseDto(entity);
+    }
+
+    @Transactional(readOnly = true) // readOnly = true를 주면 트랜잭션 범위는 유지하되, 조회 기능만 남겨두어 조회 속도가 개선.
+    public List<PostsListResponseDto> findAllDesc() {
+        return postsRepository.findAllDesc().stream()
+                // .map(posts -> new PostsListResponseDto(posts)) 와 같다.
+                // postsRepository의 결과로 넘어온 Posts의 Stream을 map을 통해
+                // PostsListResponseDto로 변환 -> List로 반환하는 클래스
+                .map(PostsListResponseDto::new)
+                .collect(Collectors.toList());
+    }
+
+    @Transactional
+    public void delete (Long id) {
+        Posts posts = postsRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id = " + id));
+
+        postsRepository.delete(posts);
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/service/products/ProductsService.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/service/products/ProductsService.java
new file mode 100644
index 0000000..b7afd8a
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/service/products/ProductsService.java
@@ -0,0 +1,53 @@
+package com.sujin.book.springboot.service.products;
+
+import com.sujin.book.springboot.domain.products.Products;
+import com.sujin.book.springboot.domain.products.ProductsRepository;
+import com.sujin.book.springboot.web.dto.ProductsResponseDto;
+import com.sujin.book.springboot.web.dto.ProductsSaveRequestDto;
+import com.sujin.book.springboot.web.dto.ProductsUpdateRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Service
+public class ProductsService {
+
+    private final ProductsRepository productsRepository;
+
+    // 상품 저장
+    @Transactional
+    public Long save(ProductsSaveRequestDto requestDto) {
+        return productsRepository.save(requestDto.toEntity()).getProductNum();
+    }
+
+    // 상품 정보 수정
+    @Transactional
+    public Long update(Long productNum, ProductsUpdateRequestDto requestDto) {
+        Products products = productsRepository.findById(productNum)
+                .orElseThrow(() -> new IllegalArgumentException("해당 상품이 없습니다. productNum=" + productNum));
+        products.update(requestDto.getName(), requestDto.getPrice(), requestDto.getStock(), requestDto.getCategory());
+
+        return productNum;
+    }
+
+    // 상품 조회
+    @Transactional
+    public ProductsResponseDto findByProductNum(Long productNum) {
+        Products products = productsRepository.findById(productNum)
+                .orElseThrow(() -> new IllegalArgumentException("해당 상품이 없습니다. productNum=" + productNum));
+
+        return new ProductsResponseDto(products);
+    }
+
+    // 상품 삭제
+    @Transactional
+    public Long delete(Long productNum) {
+        Products products = productsRepository.findById(productNum)
+                .orElseThrow(() -> new IllegalArgumentException("해당 상품이 없습니다. productNum=" + productNum));
+        productsRepository.delete(products);
+
+        return productNum;
+    }
+
+}
diff --git a/ServerStudyPractice/src/main/java/com/sujin/book/springboot/web/HelloController.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/HelloController.java
similarity index 99%
rename from ServerStudyPractice/src/main/java/com/sujin/book/springboot/web/HelloController.java
rename to suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/HelloController.java
index 39b0319..a4fbafa 100644
--- a/ServerStudyPractice/src/main/java/com/sujin/book/springboot/web/HelloController.java
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/HelloController.java
@@ -1,5 +1,6 @@
 package com.sujin.book.springboot.web;
 import com.sujin.book.springboot.web.dto.HelloResponseDto;
+
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/IndexController.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/IndexController.java
new file mode 100644
index 0000000..5669a2c
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/IndexController.java
@@ -0,0 +1,35 @@
+package com.sujin.book.springboot.web;
+
+import com.sujin.book.springboot.service.posts.PostsService;
+import com.sujin.book.springboot.web.dto.PostsResponseDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+@RequiredArgsConstructor
+@Controller
+public class IndexController {
+
+    private final PostsService postsService;
+
+    @GetMapping("/")
+    public String index(Model model) {
+        model.addAttribute("posts", postsService.findAllDesc());
+        return "index";
+    }
+
+    @GetMapping("/posts/save")
+    public String postsSave() {
+        return "posts-save";
+    }
+
+    @GetMapping("/posts/update/{id}")
+    public String postsUpdate(@PathVariable Long id, Model model) {
+        PostsResponseDto dto = postsService.findById(id);
+        model.addAttribute("post", dto);
+
+        return "posts-update";
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/PostsApiController.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/PostsApiController.java
new file mode 100644
index 0000000..b038c6e
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/PostsApiController.java
@@ -0,0 +1,37 @@
+package com.sujin.book.springboot.web;
+
+import com.sujin.book.springboot.service.posts.PostsService;
+import com.sujin.book.springboot.web.dto.PostsResponseDto;
+import com.sujin.book.springboot.web.dto.PostsSaveRequestDto;
+import com.sujin.book.springboot.web.dto.PostsUpdateRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+public class PostsApiController {
+
+    private final PostsService postsService;
+
+    @PostMapping("/api/v1/posts")
+    public Long save(@RequestBody PostsSaveRequestDto requestDto) {
+        return postsService.save(requestDto);
+    }
+
+    @PutMapping("/api/v1/posts/{id}")
+    public Long update(@PathVariable Long id, @RequestBody PostsUpdateRequestDto requestDto) {
+        return postsService.update(id, requestDto);
+    }
+
+    @GetMapping("/api/v1/posts/{id}")
+    public PostsResponseDto findById(@PathVariable Long id) {
+        return postsService.findById(id);
+    }
+
+    @DeleteMapping("/api/v1/posts/{id}")
+    public Long delete(@PathVariable Long id) {
+        postsService.delete(id);
+
+        return id;
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/ProductsApiController.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/ProductsApiController.java
new file mode 100644
index 0000000..32de494
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/ProductsApiController.java
@@ -0,0 +1,35 @@
+package com.sujin.book.springboot.web;
+
+import com.sujin.book.springboot.service.products.ProductsService;
+import com.sujin.book.springboot.web.dto.ProductsResponseDto;
+import com.sujin.book.springboot.web.dto.ProductsSaveRequestDto;
+import com.sujin.book.springboot.web.dto.ProductsUpdateRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+public class ProductsApiController {
+
+    private final ProductsService productsService;
+
+    @PostMapping("/api/v1/save/products")
+    public Long save(@RequestBody ProductsSaveRequestDto requestDto) {
+        return productsService.save(requestDto);
+    }
+
+    @PutMapping("/api/v1/update/products/{productNum}")
+    public Long update(@PathVariable Long productNum, @RequestBody ProductsUpdateRequestDto requestDto) {
+        return productsService.update(productNum, requestDto);
+    }
+
+    @GetMapping("/api/v1/get/products/{productNum}")
+    public ProductsResponseDto getProducts(@PathVariable Long productNum) {
+        return productsService.findByProductNum(productNum);
+    }
+
+    @DeleteMapping("/api/v1/delete/products/{productNum}")
+    public Long deleteProducts(@PathVariable Long productNum) {
+        return productsService.delete(productNum);
+    }
+}
diff --git a/ServerStudyPractice/src/main/java/com/sujin/book/springboot/web/dto/HelloResponseDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/HelloResponseDto.java
similarity index 100%
rename from ServerStudyPractice/src/main/java/com/sujin/book/springboot/web/dto/HelloResponseDto.java
rename to suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/HelloResponseDto.java
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsListResponseDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsListResponseDto.java
new file mode 100644
index 0000000..509bc9a
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsListResponseDto.java
@@ -0,0 +1,21 @@
+package com.sujin.book.springboot.web.dto;
+
+import com.sujin.book.springboot.domain.posts.Posts;
+import lombok.Getter;
+
+import java.time.LocalDateTime;
+
+@Getter
+public class PostsListResponseDto {
+    private Long id;
+    private String title;
+    private String author;
+    private LocalDateTime modifiedDate;
+
+    public PostsListResponseDto(Posts entity) {
+        this.id = entity.getId();
+        this.title = entity.getTitle();
+        this.author = entity.getAuthor();
+        this.modifiedDate = entity.getModifiedDate();
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsResponseDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsResponseDto.java
new file mode 100644
index 0000000..40406dc
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsResponseDto.java
@@ -0,0 +1,20 @@
+package com.sujin.book.springboot.web.dto;
+
+import com.sujin.book.springboot.domain.posts.Posts;
+import lombok.Getter;
+
+@Getter
+public class PostsResponseDto {
+
+    private Long id;
+    private String title;
+    private String content;
+    private String author;
+
+    public PostsResponseDto(Posts entity) {
+        this.id = entity.getId();
+        this.title = entity.getTitle();
+        this.content = entity.getContent();
+        this.author = entity.getAuthor();
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsSaveRequestDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsSaveRequestDto.java
new file mode 100644
index 0000000..106288c
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsSaveRequestDto.java
@@ -0,0 +1,29 @@
+package com.sujin.book.springboot.web.dto;
+
+import com.sujin.book.springboot.domain.posts.Posts;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class PostsSaveRequestDto {
+    private String title;
+    private String content;
+    private String author;
+
+    @Builder
+    public PostsSaveRequestDto(String title, String content, String author) {
+        this.title = title;
+        this.content = content;
+        this.author = author;
+    }
+
+    public Posts toEntity() {
+        return Posts.builder()
+                .title(title)
+                .content(content)
+                .author(author)
+                .build();
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsUpdateRequestDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsUpdateRequestDto.java
new file mode 100644
index 0000000..45d7d4c
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/PostsUpdateRequestDto.java
@@ -0,0 +1,19 @@
+package com.sujin.book.springboot.web.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class PostsUpdateRequestDto {
+
+    private String title;
+    private String content;
+
+    @Builder
+    public PostsUpdateRequestDto(String title, String content) {
+        this.title = title;
+        this.content = content;
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsResponseDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsResponseDto.java
new file mode 100644
index 0000000..aff3ce7
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsResponseDto.java
@@ -0,0 +1,22 @@
+package com.sujin.book.springboot.web.dto;
+
+import com.sujin.book.springboot.domain.products.Products;
+import lombok.Getter;
+
+@Getter
+public class ProductsResponseDto {
+    private Long productNum;
+    private String name;
+    private Long price;
+    private Long stock;
+    private String category;
+
+    public ProductsResponseDto(Products products) {
+        this.productNum = products.getProductNum();
+        this.name = products.getName();
+        this.price = products.getProductNum();
+        this.stock = products.getStock();
+        this.category = products.getCategory();
+    }
+
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsSaveRequestDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsSaveRequestDto.java
new file mode 100644
index 0000000..73d1ff4
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsSaveRequestDto.java
@@ -0,0 +1,34 @@
+package com.sujin.book.springboot.web.dto;
+
+import com.sujin.book.springboot.domain.products.Products;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+@Getter
+public class ProductsSaveRequestDto {
+
+    private String name;
+    private Long price;
+    private Long stock;
+    private String category;
+
+    @Builder
+    public ProductsSaveRequestDto(String name, Long price, Long stock, String category) {
+        this.name = name;
+        this.price = price;
+        this.stock = stock;
+        this.category = category;
+    }
+
+    public Products toEntity() {
+        return Products.builder()
+                .name(name)
+                .price(price)
+                .stock(stock)
+                .category(category)
+                .build();
+    }
+
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsUpdateRequestDto.java b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsUpdateRequestDto.java
new file mode 100644
index 0000000..666c028
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/java/com/sujin/book/springboot/web/dto/ProductsUpdateRequestDto.java
@@ -0,0 +1,24 @@
+package com.sujin.book.springboot.web.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class ProductsUpdateRequestDto {
+
+    private String name;
+    private Long price;
+    private Long stock;
+    private String category;
+
+    @Builder
+    public ProductsUpdateRequestDto(String name, Long price, Long stock, String category) {
+        this.name = name;
+        this.price = price;
+        this.stock = stock;
+        this.category = category;
+    }
+
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/application.properties b/suucong/SpringBoot/SpringBootPractice/src/main/resources/application.properties
new file mode 100644
index 0000000..2f6e8c1
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/application.properties
@@ -0,0 +1,7 @@
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL57Dialect
+spring.jpa.properties.hibernate.dialect.storage_engine=innodb
+spring.h2.console.path=/h2-console
+spring.datasource.hikari.jdbc-url=jdbc:h2:mem://localhost/~/testdb;MODE=MYSQL;DB_CLOSE_ON_EXIT=FALSE
+spring.h2.console.enabled=true
+server.servlet.encoding.force-response=true
\ No newline at end of file
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/static/js/app/index.js b/suucong/SpringBoot/SpringBootPractice/src/main/resources/static/js/app/index.js
new file mode 100644
index 0000000..3f54520
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/static/js/app/index.js
@@ -0,0 +1,76 @@
+var main = {
+    init : function () {
+        var _this = this;
+        $('#btn-save').on('click', function () {
+            _this.save();
+        });
+
+        $('#btn-update').on('click', function () {
+            _this.update();
+        });
+
+        $('#btn-delete').on('click', function () {
+            _this.delete();
+        });
+    },
+    save : function () {
+        var data = {
+            title: $('#title').val(),
+            author: $('#author').val(),
+            content: $('#content').val()
+        };
+
+        $.ajax({
+            type: 'POST',
+            url: '/api/v1/posts',
+            dataType: 'json',
+            contentType:'application/json; charset=utf-8',
+            data: JSON.stringify(data)
+        }).done(function() {
+            alert('글이 등록되었습니다.');
+            // 글 등록이 성공하면 메인페이지로 이동
+            window.location.href = '/';
+        }).fail(function (error) {
+            alert(JSON.stringify(error));
+        });
+    },
+    update : function () {
+        var data = {
+            title: $('#title').val(),
+            content: $('#content').val()
+        };
+
+        var id = $('#id').val();
+
+        $.ajax({
+            type: 'PUT',
+            url: '/api/v1/posts/'+id,
+            dataType: 'json',
+            contentType:'application/json; charset=utf-8',
+            data: JSON.stringify(data)
+        }).done(function() {
+            alert('글이 수정되었습니다.');
+            window.location.href = '/';
+        }).fail(function (error) {
+            alert(JSON.stringify(error));
+        });
+    },
+    delete : function () {
+        var id = $('#id').val();
+
+        $.ajax({
+            type: 'DELETE',
+            url: '/api/v1/posts/'+id,
+            dataType: 'json',
+            contentType:'application/json; charset=utf-8'
+        }).done(function() {
+            alert('글이 삭제되었습니다.');
+            window.location.href = '/';
+        }).fail(function (error) {
+            alert(JSON.stringify(error));
+        });
+    }
+
+};
+
+main.init();
\ No newline at end of file
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/index.mustache b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/index.mustache
new file mode 100644
index 0000000..9d025c1
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/index.mustache
@@ -0,0 +1,56 @@
+<!--<!DOCTYPE HTML>-->
+<!--<html>-->
+<!--    <head>-->
+<!--        <title>스프링 부트 웹 서비스</title>-->
+<!--        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>-->
+<!--    </head>-->
+<!--    <body>-->
+<!--        <h1>스프링 부트로 시작하는 웹 서비스</h1>-->
+<!--    </body>-->
+<!--</html>-->
+
+<!-- 아래의 기호는 현재 머스테치파일(index.mustache)를 기준으로 다른 파일을 가져온다.-->
+{{>layout/header}}
+
+<h1>스프링부트로 시작하는 웹 서비스 Ver.2</h1>
+<div class="col-md-12">
+    <div class="row">
+        <div class="col-md-6">
+            <a href="/posts/save" role="button" class="btn btn-primary">글 등록</a>
+            {{#userName}}
+                Logged in as: <span id="user">{{userName}}</span>
+                <a href="/logout" class="btn btn-info active" role="button">Logout</a>
+            {{/userName}}
+            {{^userName}}
+                <a href="/oauth2/authorization/google" class="btn btn-success active" role="button">Google Login</a>
+                <a href="/oauth2/authorization/naver" class="btn btn-secondary active" role="button">Naver Login</a>
+            {{/userName}}
+        </div>
+    </div>
+    <br>
+    <!-- 목록 출력 영역 -->
+    <table class="table table-horizontal table-bordered">
+        <thead class="thead-strong">
+        <tr>
+            <th>게시글번호</th>
+            <th>제목</th>
+            <th>작성자</th>
+            <th>최종수정일</th>
+        </tr>
+        </thead>
+        <tbody id="tbody">
+<!--        posts라는 리스트를 순회-->
+        {{#posts}}
+            <tr>
+<!--                posts 리스트에서 뽑아낸 필드를 사용-->
+                <td>{{id}}</td>
+                <td><a href="/posts/update/{{id}}">{{title}}</a></td>
+                <td>{{author}}</td>
+                <td>{{modifiedDate}}</td>
+            </tr>
+        {{/posts}}
+        </tbody>
+    </table>
+</div>
+
+{{>layout/footer}}
\ No newline at end of file
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/layout/footer.mustache b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/layout/footer.mustache
new file mode 100644
index 0000000..2e8c833
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/layout/footer.mustache
@@ -0,0 +1,9 @@
+<!--페이지 속도를 높이기 위해 css와 js파일 분리-->
+<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
+<!--부트스트랩은 제이쿼리에 의존하기 때문에 제이쿼리 뒤에 부트스트랩을 호출하도록 함.-->
+<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
+
+<!--index.js 추가-->
+<script src="/js/app/index.js"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/layout/header.mustache b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/layout/header.mustache
new file mode 100644
index 0000000..c38178a
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/layout/header.mustache
@@ -0,0 +1,10 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+    <title>스프링 부트 웹 서비스</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+
+<!--    페이지 속도를 높이기 위해 css와 js파일 분리-->
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
+</head>
+<body>
\ No newline at end of file
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/posts-save.mustache b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/posts-save.mustache
new file mode 100644
index 0000000..8eb0bb5
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/posts-save.mustache
@@ -0,0 +1,26 @@
+{{>layout/header}}
+
+<h1>게시글 등록</h1>
+
+<div class="col-md-12">
+    <div class="col-md-4">
+        <form>
+            <div class="form-group">
+                <label for="title">제목</label>
+                <input type="text" class="form-control" id="title" placeholder="제목을 입력하세요">
+            </div>
+            <div class="form-group">
+                <label for="author"> 작성자 </label>
+                <input type="text" class="form-control" id="author" placeholder="작성자를 입력하세요">
+            </div>
+            <div class="form-group">
+                <label for="content"> 내용 </label>
+                <textarea class="form-control" id="content" placeholder="내용을 입력하세요"></textarea>
+            </div>
+        </form>
+        <a href="/" role="button" class="btn btn-secondary">취소</a>
+        <button type="button" class="btn btn-primary" id="btn-save">등록</button>
+    </div>
+</div>
+
+{{>layout/footer}}
\ No newline at end of file
diff --git a/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/posts-update.mustache b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/posts-update.mustache
new file mode 100644
index 0000000..8270d91
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/main/resources/templates/posts-update.mustache
@@ -0,0 +1,33 @@
+{{>layout/header}}
+
+<h1>게시글 수정</h1>
+
+<div class="col-md-12">
+    <div class="col-md-4">
+        <form>
+            <div class="form-group">
+                <label for="title">글 번호</label>
+<!--                mustache는 객체 접근시 .(dot)으로 구분-->
+                <input type="text" class="form-control" id="id" value="{{post.id}}" readonly>
+            </div>
+            <div class="form-group">
+                <label for="title">제목</label>
+                <input type="text" class="form-control" id="title" value="{{post.title}}">
+            </div>
+            <div class="form-group">
+                <label for="author"> 작성자 </label>
+<!--                readOnly: Input 태그에 읽기 가능만 허용하는 속성-->
+                <input type="text" class="form-control" id="author" value="{{post.author}}" readonly>
+            </div>
+            <div class="form-group">
+                <label for="content"> 내용 </label>
+                <textarea class="form-control" id="content">{{post.content}}</textarea>
+            </div>
+        </form>
+        <a href="/" role="button" class="btn btn-secondary">취소</a>
+        <button type="button" class="btn btn-primary" id="btn-update">수정 완료</button>
+        <button type="button" class="btn btn-danger" id="btn-delete">삭제</button>
+    </div>
+</div>
+
+{{>layout/footer}}
\ No newline at end of file
diff --git a/ServerStudyPractice/src/test/java/com/sujin/book/springboot/Application.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/Application.java
similarity index 89%
rename from ServerStudyPractice/src/test/java/com/sujin/book/springboot/Application.java
rename to suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/Application.java
index ef54076..87ba533 100644
--- a/ServerStudyPractice/src/test/java/com/sujin/book/springboot/Application.java
+++ b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/Application.java
@@ -1,7 +1,9 @@
 package com.sujin.book.springboot;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+@EnableJpaAuditing
 @SpringBootApplication  // 스프링부트의 자동 설정, 스프링 Bean 읽기와 생성을 모두 자동으로 설정. 이 어노테이션이 있는 위치부터 설정을 읽어가기 떄문에 이 클래스는 항상 프로젝트 최상단에 위치해야함.
 public class Application {
     public static void main(String[] args) {
diff --git a/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/domain/posts/PostsRepositoryTest.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/domain/posts/PostsRepositoryTest.java
new file mode 100644
index 0000000..92e3791
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/domain/posts/PostsRepositoryTest.java
@@ -0,0 +1,70 @@
+package com.sujin.book.springboot.domain.posts;
+
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class PostsRepositoryTest {
+
+    @Autowired
+    PostsRepository postsRepository;
+
+    @After  // Junit에서 단위테스트가 끝날 때마다 수행되는 메소드 지정
+    public void cleanup() {
+        postsRepository.deleteAll();
+    }
+
+    @Test
+    public void 게시글저장_불러오기() {
+        // given
+        String title = "테스트 게시글";
+        String content = "테스트 본문";
+
+        postsRepository.save(Posts.builder()
+                .title(title)
+                .content(content)
+                .author("jojoldu@gmail.com")
+                .build());
+
+        // when
+        List<Posts> postsList = postsRepository.findAll();
+
+        // then
+        Posts posts = postsList.get(0);
+        assertThat(posts.getTitle()).isEqualTo(title);
+        assertThat(posts.getContent()).isEqualTo(content);
+    }
+
+    @Test
+    public void BaseTimeEntity_등록() {
+        // given
+        LocalDateTime now = LocalDateTime.of(2023, 10, 1, 0, 0, 0);
+        postsRepository.save(Posts.builder()
+                .title("title")
+                .content("content")
+                .author("author")
+                .build());
+
+        // when
+        List<Posts> postsList = postsRepository.findAll();
+
+        // then
+        Posts posts = postsList.get(0);
+
+        System.out.println(">>>>>>>>>> createDate = " + posts.getCreatedDate() +
+                ", modifiedDate = " + posts.getModifiedDate());
+
+        assertThat(posts.getCreatedDate()).isAfter(now);
+        assertThat(posts.getModifiedDate()).isAfter(now);
+    }
+}
diff --git a/ServerStudyPractice/src/test/java/com/sujin/book/springboot/web/HelloControllerTest.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/HelloControllerTest.java
similarity index 100%
rename from ServerStudyPractice/src/test/java/com/sujin/book/springboot/web/HelloControllerTest.java
rename to suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/HelloControllerTest.java
diff --git a/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/IndexControllerTest.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/IndexControllerTest.java
new file mode 100644
index 0000000..2159ed4
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/IndexControllerTest.java
@@ -0,0 +1,27 @@
+package com.sujin.book.springboot.web;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class IndexControllerTest {
+
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    @Test
+    public void 메인페이지_로딩() {    // URL 호출 시 페이지의 내용이 제대로 호출되는지에 대한 테스트
+        // when
+        String body = this.restTemplate.getForObject("/", String.class);
+
+        // then
+        assertThat(body).contains("스프링 부트로 시작하는 웹 서비스");
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/PostsApiControllerTest.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/PostsApiControllerTest.java
new file mode 100644
index 0000000..cebddd4
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/PostsApiControllerTest.java
@@ -0,0 +1,100 @@
+package com.sujin.book.springboot.web;
+
+import com.sujin.book.springboot.domain.posts.Posts;
+import com.sujin.book.springboot.domain.posts.PostsRepository;
+import com.sujin.book.springboot.web.dto.PostsSaveRequestDto;
+import com.sujin.book.springboot.web.dto.PostsUpdateRequestDto;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class PostsApiControllerTest {
+    @LocalServerPort
+    private int port;
+
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    @Autowired
+    private PostsRepository postsRepository;
+
+    @After
+    public void tearDown() throws Exception {
+        postsRepository.deleteAll();
+    }
+
+    @Test
+    public void Posts_등록된다() throws Exception {
+        // given
+        String title = "title";
+        String content = "content";
+        PostsSaveRequestDto requestDto = PostsSaveRequestDto.builder()
+                .title(title)
+                .content(content)
+                .author("author")
+                .build();
+
+        String url = "http://localhost:" + port + "/api/v1/posts";
+
+        // when
+        ResponseEntity<Long> responseEntity = restTemplate.postForEntity(url, requestDto, Long.class);
+
+        // then
+        assertThat(responseEntity.getStatusCode()).isEqualTo(HttpStatus.OK);
+        assertThat(responseEntity.getBody()).isGreaterThan(0L);
+        List<Posts> all = postsRepository.findAll();
+        assertThat(all.get(0).getTitle()).isEqualTo(title);
+        assertThat(all.get(0).getContent()).isEqualTo(content);
+    }
+
+    @Test
+    public void Posts_수정된다() throws Exception {
+        // given
+        Posts savedPosts = postsRepository.save(Posts.builder()
+                .title("title")
+                .content("content")
+                .author("author")
+                .build());
+
+        Long updateId = savedPosts.getId();
+        String expectedTitle = "title2";
+        String expectedContent = "content2";
+
+        PostsUpdateRequestDto requestDto = PostsUpdateRequestDto.builder()
+                .title(expectedTitle)
+                .content(expectedContent)
+                .build();
+
+        String url = "http://localhost:" + port + "/api/v1/posts/" + updateId;
+
+        HttpEntity<PostsUpdateRequestDto> requestEntity = new HttpEntity<>(requestDto);
+
+        // when
+        ResponseEntity<Long> responseEntity = restTemplate.
+                exchange(url, HttpMethod.PUT,
+                requestEntity, Long.class);
+
+        // then
+        assertThat(responseEntity.getStatusCode()).isEqualTo(HttpStatus.OK);
+        assertThat(responseEntity.getBody()).isGreaterThan(0L);
+
+        List<Posts> all = postsRepository.findAll();
+        assertThat(all.get(0).getTitle()).isEqualTo(expectedTitle);
+        assertThat(all.get(0).getContent()).isEqualTo(expectedContent);
+    }
+}
diff --git a/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/ProductsApiControllerTest.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/ProductsApiControllerTest.java
new file mode 100644
index 0000000..aa1f768
--- /dev/null
+++ b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/ProductsApiControllerTest.java
@@ -0,0 +1,34 @@
+package com.sujin.book.springboot.web;
+
+import com.sujin.book.springboot.domain.products.ProductsRepository;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class ProductsApiControllerTest {
+    @LocalServerPort
+    private int port;
+
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    @Autowired
+    private ProductsRepository productsRepository;
+
+    @After
+    public void tearDown() throws Exception {
+        productsRepository.deleteAll();
+    }
+
+    @Test
+    public void Posts_등록된다() throws Exception {
+
+    }
+}
diff --git a/ServerStudyPractice/src/test/java/com/sujin/book/springboot/web/dto/HelloResponseDtoTest.java b/suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/dto/HelloResponseDtoTest.java
similarity index 100%
rename from ServerStudyPractice/src/test/java/com/sujin/book/springboot/web/dto/HelloResponseDtoTest.java
rename to suucong/SpringBoot/SpringBootPractice/src/test/java/com/sujin/book/springboot/web/dto/HelloResponseDtoTest.java
diff --git a/week 1/server-name.html b/week 1/server-name.html
deleted file mode 100644
index 21ad7e9..0000000
--- a/week 1/server-name.html	
+++ /dev/null
@@ -1,19 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Document</title>
-  </head>
-  <body>
-    <h1>[1주차 스터디] 깃 연습 - 서버 멤버 이름 작성</h1>
-    
-    <h2>0. 최유선</h2>
-    <h2>1. 문소영</h2>
-    <h2>2. 노수진</h2>
-    <h2>3. 이예림</h2>
-    <h2>4. 이현지</h2>
-    <h2>5. 김나영</h2>
-  </body>
-</html>