diff --git a/src/main/java/com/example/javaweb/controller/ContentController.java b/src/main/java/com/example/javaweb/controller/ContentController.java
new file mode 100644
index 0000000..75d063a
--- /dev/null
+++ b/src/main/java/com/example/javaweb/controller/ContentController.java
@@ -0,0 +1,4 @@
+package com.example.javaweb.controller;
+
+public class ContentController {
+}
diff --git a/src/main/java/com/example/javaweb/controller/DeleteController.java b/src/main/java/com/example/javaweb/controller/DeleteController.java
new file mode 100644
index 0000000..be9d3ec
--- /dev/null
+++ b/src/main/java/com/example/javaweb/controller/DeleteController.java
@@ -0,0 +1,4 @@
+package com.example.javaweb.controller;
+
+public class DeleteController {
+}
diff --git a/src/main/java/com/example/javaweb/controller/HealthController.java b/src/main/java/com/example/javaweb/controller/HealthController.java
deleted file mode 100644
index ce386d2..0000000
--- a/src/main/java/com/example/javaweb/controller/HealthController.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.example.javaweb.controller;
-
-
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-public class HealthController {
-
-
-    @GetMapping("/health_check.html")
-    public String healthCheck(){
-        return "Health";
-    }
-}
diff --git a/src/main/java/com/example/javaweb/controller/PostController.java b/src/main/java/com/example/javaweb/controller/PostController.java
new file mode 100644
index 0000000..9ba7e1e
--- /dev/null
+++ b/src/main/java/com/example/javaweb/controller/PostController.java
@@ -0,0 +1,15 @@
+package com.example.javaweb.controller;
+
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class PostController {
+
+    @PostMapping("/")
+    public String WritePost(char title, char writer, String content){
+        return "Hello, world";
+    }
+}
diff --git a/src/main/java/com/example/javaweb/controller/UserController.java b/src/main/java/com/example/javaweb/controller/UserController.java
new file mode 100644
index 0000000..b1e7803
--- /dev/null
+++ b/src/main/java/com/example/javaweb/controller/UserController.java
@@ -0,0 +1,14 @@
+package com.example.javaweb.controller;
+
+import model.User;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class UserController {
+    @PostMapping("/join")
+    public User createUser(@RequestParam String name, @RequestParam String email, @RequestParam String gender) {
+        return new User(name, email, gender);
+    }
+}
diff --git a/src/main/java/model/Post.java b/src/main/java/model/Post.java
new file mode 100644
index 0000000..5e2c7b3
--- /dev/null
+++ b/src/main/java/model/Post.java
@@ -0,0 +1,71 @@
+package model;
+
+import java.util.Date;
+
+public class Post {
+    private Long postId;
+
+    private String title;
+    private String content;
+    private Date created_at;
+    private Date updated_at;
+
+    private Long userId;
+
+    public Post(Long postId, String title, String content, Date created_at, Date updated_at, Long userId) {
+        this.postId = postId;
+        this.title = title;
+        this.content = content;
+        this.created_at = created_at;
+        this.updated_at = updated_at;
+        this.userId = userId;
+    }
+
+    public Long getPostId() {
+        return postId;
+    }
+
+    public void setPostId(Long postId) {
+        this.postId = postId;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public Date getCreated_at() {
+        return created_at;
+    }
+
+    public void setCreated_at(Date created_at) {
+        this.created_at = created_at;
+    }
+
+    public Date getUpdated_at() {
+        return updated_at;
+    }
+
+    public void setUpdated_at(Date updated_at) {
+        this.updated_at = updated_at;
+    }
+
+    public Long getUserId() {
+        return userId;
+    }
+
+    public void setUserId(Long userId) {
+        this.userId = userId;
+    }
+}
diff --git a/src/main/java/model/User.java b/src/main/java/model/User.java
new file mode 100644
index 0000000..56fe1a3
--- /dev/null
+++ b/src/main/java/model/User.java
@@ -0,0 +1,39 @@
+package model;
+
+import java.util.ArrayList;
+
+public class User {
+    private String name;
+    private String email;
+    private String gender;
+
+    public User(String name, String email, String gender) {
+        this.name = name;
+        this.email = email;
+        this.gender = gender;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getGender() {
+        return gender;
+    }
+
+    public void setGender(String gender) {
+        this.gender = gender;
+    }
+}