diff --git a/build.gradle b/build.gradle
index 34ece7c..96b3260 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ version = '0.0.1-SNAPSHOT'
 
 java {
 	toolchain {
-		languageVersion = JavaLanguageVersion.of(21)
+		languageVersion = JavaLanguageVersion.of(23)
 	}
 }
 
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/controller/AnggimoddiController.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/controller/AnggimoddiController.java
new file mode 100644
index 0000000..629fa63
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/controller/AnggimoddiController.java
@@ -0,0 +1,50 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.controller;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.dto.AnggimoddiDTO;
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.DeletePost;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.GetPost;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.Postpost;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.UpdatePost;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Optional;
+
+@RestController
+@RequestMapping("/articles")
+@RequiredArgsConstructor
+public class AnggimoddiController {
+
+    private final GetPost getPost;
+    private final Postpost postpost;
+    private final UpdatePost updatePost;
+    private final DeletePost deletePost;
+
+    @GetMapping("/")
+    public ResponseEntity<List<Ang>> getShitAll() {
+        return getPost.getAngs();
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Optional<Ang>> getThatShit(@PathVariable Long id) {
+        return getPost.getAngById(id);
+    }
+
+    @PostMapping("/")
+    public ResponseEntity<Ang> makeShit(Ang ang) {
+        return postpost.postPost(ang);
+    }
+
+    @PatchMapping(("/{id}"))
+    public ResponseEntity<Ang> editThatShit(AnggimoddiDTO anggimoddiDTO, @PathVariable Long id) {
+        return updatePost.updatePost(anggimoddiDTO, id);
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Ang> removeThatShit(@PathVariable Long id) {
+        return deletePost.deleteAng(id);
+    }
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/dto/AnggimoddiDTO.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/dto/AnggimoddiDTO.java
new file mode 100644
index 0000000..a923240
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/dto/AnggimoddiDTO.java
@@ -0,0 +1,16 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Builder
+public class AnggimoddiDTO {
+    private Long id;
+    private String title;
+    private String content;
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/entity/Ang.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/entity/Ang.java
new file mode 100644
index 0000000..d12bdfa
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/entity/Ang.java
@@ -0,0 +1,22 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.entity;
+
+import jakarta.persistence.Entity;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Entity
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Ang extends BaseIdxEntity{
+    private String title;
+    private String content;
+
+    @Builder
+    public Ang(Long idx, String title, String content){
+        this.idx = idx;
+        this.title = title;
+        this.content = content;
+    }
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/global/entity/BaseIdxEntity.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/entity/BaseIdxEntity.java
similarity index 92%
rename from src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/global/entity/BaseIdxEntity.java
rename to src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/entity/BaseIdxEntity.java
index 72bf006..570ea87 100644
--- a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/global/entity/BaseIdxEntity.java
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/entity/BaseIdxEntity.java
@@ -1,4 +1,4 @@
-package com.gsm._8th.class4.backed.task._1._1.global.entity;
+package com.gsm._8th.class4.backed.task._1._1.domain.entity;
 
 import jakarta.persistence.*;
 import lombok.Getter;
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/repository/AngRepository.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/repository/AngRepository.java
new file mode 100644
index 0000000..4fd3ab3
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/repository/AngRepository.java
@@ -0,0 +1,9 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.repository;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface AngRepository extends JpaRepository<Ang, Long> {
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/DeletePost.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/DeletePost.java
new file mode 100644
index 0000000..447ae8e
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/DeletePost.java
@@ -0,0 +1,10 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface DeletePost {
+    ResponseEntity<Ang> deleteAng(Long id);
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/GetPost.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/GetPost.java
new file mode 100644
index 0000000..45fc680
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/GetPost.java
@@ -0,0 +1,14 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public interface GetPost {
+    ResponseEntity<List<Ang>> getAngs();
+    ResponseEntity<Optional<Ang>> getAngById(Long id);
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/Postpost.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/Postpost.java
new file mode 100644
index 0000000..4b48e90
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/Postpost.java
@@ -0,0 +1,10 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface Postpost {
+    ResponseEntity<Ang> postPost(Ang ang);
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/UpdatePost.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/UpdatePost.java
new file mode 100644
index 0000000..967c006
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/UpdatePost.java
@@ -0,0 +1,11 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.dto.AnggimoddiDTO;
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface UpdatePost {
+    ResponseEntity<Ang> updatePost(AnggimoddiDTO angimoddiDTO, Long postId);
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/DeletePostImpl.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/DeletePostImpl.java
new file mode 100644
index 0000000..20e02c6
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/DeletePostImpl.java
@@ -0,0 +1,17 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service.impl;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import com.gsm._8th.class4.backed.task._1._1.domain.repository.AngRepository;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.DeletePost;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+
+@RequiredArgsConstructor
+public class DeletePostImpl implements DeletePost {
+    private final AngRepository angRepository;
+
+    public ResponseEntity<Ang> deleteAng(Long id) {
+        angRepository.deleteById(id);
+        return ResponseEntity.noContent().build();
+    }
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/GetPostImpl.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/GetPostImpl.java
new file mode 100644
index 0000000..ec10f2f
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/GetPostImpl.java
@@ -0,0 +1,33 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service.impl;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import com.gsm._8th.class4.backed.task._1._1.domain.repository.AngRepository;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.GetPost;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+
+@RequiredArgsConstructor
+public class GetPostImpl implements GetPost {
+    private final AngRepository angRepository;
+
+    public ResponseEntity<List<Ang>> getAngs() {
+        try {
+            return ResponseEntity.ok(angRepository.findAll());
+        } catch (IllegalArgumentException e) {
+            List<Ang> emptyList = Collections.emptyList();
+            return ResponseEntity.ok(emptyList);
+        }
+    }
+
+    public ResponseEntity<Optional<Ang>> getAngById(Long id) {
+        try {
+            return ResponseEntity.ok(angRepository.findById(id));
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.notFound().build();
+        }
+    }
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/PostpostImpl.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/PostpostImpl.java
new file mode 100644
index 0000000..100ed5b
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/PostpostImpl.java
@@ -0,0 +1,18 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service.impl;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import com.gsm._8th.class4.backed.task._1._1.domain.repository.AngRepository;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.Postpost;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+
+import java.util.Optional;
+
+@RequiredArgsConstructor
+public class PostpostImpl implements Postpost {
+    private final AngRepository angRepository;
+
+    public ResponseEntity<Ang> postPost(Ang ang) {
+        return ResponseEntity.ok(angRepository.save(ang));
+    }
+}
diff --git a/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/UpdatePostImpl.java b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/UpdatePostImpl.java
new file mode 100644
index 0000000..434ac55
--- /dev/null
+++ b/src/main/java/com/gsm/_8th/class4/backed/task/_1/_1/domain/service/impl/UpdatePostImpl.java
@@ -0,0 +1,34 @@
+package com.gsm._8th.class4.backed.task._1._1.domain.service.impl;
+
+import com.gsm._8th.class4.backed.task._1._1.domain.dto.AnggimoddiDTO;
+import com.gsm._8th.class4.backed.task._1._1.domain.entity.Ang;
+import com.gsm._8th.class4.backed.task._1._1.domain.repository.AngRepository;
+import com.gsm._8th.class4.backed.task._1._1.domain.service.UpdatePost;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Optional;
+
+
+@Transactional(readOnly = true)
+@RequiredArgsConstructor
+public class UpdatePostImpl implements UpdatePost {
+    private final AngRepository angRepository;
+
+    public ResponseEntity<Ang> updatePost(AnggimoddiDTO anggimoddiDTO, Long postId) {
+        try {
+            Optional<Ang> ang = angRepository.findById(postId);
+            Ang upAng = ang.get();
+            upAng.builder()
+                    .idx(anggimoddiDTO.getId())
+                    .title(anggimoddiDTO.getTitle())
+                    .content(anggimoddiDTO.getContent())
+                    .build();
+            angRepository.save(upAng);
+            return ResponseEntity.ok(upAng);
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.notFound().build();
+        }
+    }
+}