diff --git a/Seminar4/.gitignore b/Seminar4/.gitignore
new file mode 100644
index 0000000..a9ba020
--- /dev/null
+++ b/Seminar4/.gitignore
@@ -0,0 +1,146 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/node
+# Edit at https://www.toptal.com/developers/gitignore?templates=node
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+yarn.lock
+
+### Node Patch ###
+# Serverless Webpack directories
+.webpack/
+
+# Optional stylelint cache
+
+# SvelteKit build / generate output
+.svelte-kit
+
+# End of https://www.toptal.com/developers/gitignore/api/node
\ No newline at end of file
diff --git a/Seminar4/nodemon.json b/Seminar4/nodemon.json
new file mode 100644
index 0000000..7e70d98
--- /dev/null
+++ b/Seminar4/nodemon.json
@@ -0,0 +1,11 @@
+{
+    "watch": [
+        "src",
+        ".env"
+    ],
+    "ext": "js,ts,json",
+    "ignore": [
+        "src/**/*.spec.ts"
+    ],
+    "exec": "ts-node  --transpile-only ./src/index.ts"
+}
\ No newline at end of file
diff --git a/Seminar4/package.json b/Seminar4/package.json
new file mode 100644
index 0000000..d132071
--- /dev/null
+++ b/Seminar4/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "node-typescript-init",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "nodemon",
+    "build": "tsc && node dist"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/express": "^4.17.13",
+    "@types/mongoose": "^5.11.97",
+    "@types/node": "^17.0.25",
+    "nodemon": "^2.0.15",
+    "ts-node": "^10.7.0",
+    "typescript": "^4.6.3"
+  },
+  "dependencies": {
+    "dotenv": "^16.0.0",
+    "express": "^4.17.3",
+    "express-validator": "^6.14.0",
+    "mongoose": "^6.3.1"
+  }
+}
diff --git a/Seminar4/src/config/index.ts b/Seminar4/src/config/index.ts
new file mode 100644
index 0000000..4449be4
--- /dev/null
+++ b/Seminar4/src/config/index.ts
@@ -0,0 +1,23 @@
+import dotenv from "dotenv";
+
+// Set the NODE_ENV to 'development' by default
+process.env.NODE_ENV = process.env.NODE_ENV || "development";
+
+const envFound = dotenv.config();
+if (envFound.error) {
+  // This error should crash whole process
+
+  throw new Error("⚠️  Couldn't find .env file  ⚠️");
+}
+
+export default {
+  /**
+   * Your favorite port
+   */
+  port: parseInt(process.env.PORT as string, 10) as number,
+
+  /**
+   * MongoDB URI
+   */
+  mongoURI: process.env.MONGODB_URI as string,
+};
\ No newline at end of file
diff --git a/Seminar4/src/controllers/ReviewController.ts b/Seminar4/src/controllers/ReviewController.ts
new file mode 100644
index 0000000..cc9c9f2
--- /dev/null
+++ b/Seminar4/src/controllers/ReviewController.ts
@@ -0,0 +1,53 @@
+import express, { Request, Response } from "express";
+import statusCode from "../modules/statusCode";
+import message from "../modules/responseMessage";
+import util from "../modules/util";
+import { ReviewCreateDto } from "../interfaces/review/ReviewCreateDto";
+import ReviewService from "../services/ReviewService";
+const { validationResult } = require('express-validator');
+
+/**
+ *  @route POST /review/movies/:movieId
+ *  @desc Create Review
+ *  @access Public
+ */
+const createReview = async (req: Request, res: Response) => {
+    const error = validationResult(req);
+    if (!error.isEmpty()) {
+        return res.status(statusCode.BAD_REQUEST).send(util.fail(statusCode.BAD_REQUEST, message.BAD_REQUEST));
+    }
+    const reviewCreateDto: ReviewCreateDto = req.body;
+    const { movieId } = req.params;
+
+    try {
+        const data = await ReviewService.createReview(movieId, reviewCreateDto);
+        
+        res.status(statusCode.CREATED).send(util.success(statusCode.CREATED, message.CREATE_REVIEW_SUCCESS, data));
+    } catch (error) {
+        console.log(error);
+        res.status(statusCode.INTERNAL_SERVER_ERROR).send(util.fail(statusCode.INTERNAL_SERVER_ERROR, message.INTERNAL_SERVER_ERROR));
+    }
+}
+
+/**
+ *  @route GET /review/movies/:movieId
+ *  @desc Get Review
+ *  @access Public
+ */
+const getReviews = async (req: Request, res: Response) => {
+    const { movieId } = req.params;
+
+    try {
+        const data = await ReviewService.getReviews(movieId);
+
+        res.status(statusCode.OK).send(util.success(statusCode.OK, message.READ_REVIEW_SUCCESS, data));
+    } catch (error) {
+        console.log(error);
+        res.status(statusCode.INTERNAL_SERVER_ERROR).send(util.fail(statusCode.INTERNAL_SERVER_ERROR, message.INTERNAL_SERVER_ERROR));
+    } 
+}
+
+export default {
+    createReview,
+    getReviews
+}
\ No newline at end of file
diff --git a/Seminar4/src/controllers/UserController.ts b/Seminar4/src/controllers/UserController.ts
new file mode 100644
index 0000000..7768f9c
--- /dev/null
+++ b/Seminar4/src/controllers/UserController.ts
@@ -0,0 +1,92 @@
+import express, { Request, Response } from "express";
+import { UserCreateDto } from "../interfaces/user/UserCreateDto";
+import statusCode from "../modules/statusCode";
+import message from "../modules/responseMessage";
+import util from "../modules/util";
+import { UserService } from "../services";
+import { UserUpdateDto } from "../interfaces/user/UserUpdateDto";
+
+/**
+ *  @route POST /user
+ *  @desc Create User
+ *  @access Public
+ */
+const createUser = async (req: Request, res: Response) => {
+    const userCreateDto: UserCreateDto = req.body; // User Create Dto 로 req.body 받아옴
+
+    try {
+        const data = await UserService.createUser(userCreateDto);
+
+        res.status(statusCode.CREATED).send(util.success(statusCode.CREATED, message.CREATE_USER_SUCCESS, data));
+    } catch (error) {
+        console.log(error);
+        // 서버 내부에서 오류 발생
+        res.status(statusCode.INTERNAL_SERVER_ERROR).send(util.fail(statusCode.INTERNAL_SERVER_ERROR, message.INTERNAL_SERVER_ERROR));
+    }
+}
+
+/**
+ *  @route PUT /user/:userId
+ *  @desc Update User
+ *  @access Public
+ */
+const updateUser = async (req: Request, res: Response) => {
+    const userUpdateDto: UserUpdateDto = req.body;
+    const { userId } = req.params;
+
+    try {
+        await UserService.updateUser(userId, userUpdateDto);
+
+        res.status(statusCode.NO_CONTENT).send();
+    } catch (error) {
+        console.log(error);
+        res.status(statusCode.INTERNAL_SERVER_ERROR).send(util.fail(statusCode.INTERNAL_SERVER_ERROR, message.INTERNAL_SERVER_ERROR));
+    }
+}
+
+/**
+ *  @route GET /user/:userId
+ *  @desc READ User
+ *  @access Public
+ */
+const findUserById = async (req: Request, res: Response) => {
+    const { userId } = req.params;
+
+    try {
+        const data = await UserService.findUserById(userId);
+
+        if (!data) {
+            return res.status(statusCode.NOT_FOUND).send(util.fail(statusCode.NOT_FOUND, message.NOT_FOUND));
+        }
+
+        res.status(statusCode.OK).send(util.success(statusCode.OK, message.CREATE_USER_SUCCESS, data));
+
+    } catch (error) {
+        console.log(error);
+        res.status(statusCode.INTERNAL_SERVER_ERROR).send(util.fail(statusCode.INTERNAL_SERVER_ERROR, message.INTERNAL_SERVER_ERROR));
+    }
+}
+
+/**
+ *  @route DELETE /user/:userId
+ *  @desc Delete User
+ *  @access Public
+ */
+const deleteUser = async (req: Request, res: Response) => {
+    const { userId } = req.params;
+    try {
+        await UserService.delteUser(userId);
+
+        res.status(statusCode.NO_CONTENT).send();
+    } catch (e) {
+        console.log(e);
+        res.status(statusCode.INTERNAL_SERVER_ERROR).send(util.fail(statusCode.INTERNAL_SERVER_ERROR, message.INTERNAL_SERVER_ERROR));
+    }
+}
+
+export default {
+    createUser,
+    updateUser,
+    findUserById,
+    deleteUser
+}
\ No newline at end of file
diff --git a/Seminar4/src/controllers/index.ts b/Seminar4/src/controllers/index.ts
new file mode 100644
index 0000000..0c60fdb
--- /dev/null
+++ b/Seminar4/src/controllers/index.ts
@@ -0,0 +1,5 @@
+import UserController from "./UserController"
+// controller index file
+export {
+   UserController 
+}
\ No newline at end of file
diff --git a/Seminar4/src/index.ts b/Seminar4/src/index.ts
new file mode 100644
index 0000000..dfbec6b
--- /dev/null
+++ b/Seminar4/src/index.ts
@@ -0,0 +1,43 @@
+import express, { Request, Response, NextFunction } from "express";
+import config from "./config";
+const app = express();
+import connectDB from "./loaders/db";
+import routes from './routes';
+require('dotenv').config();
+
+connectDB();
+
+app.use(express.urlencoded({ extended: true }));
+app.use(express.json());
+
+app.use(routes);   //라우터 
+// error handler
+
+interface ErrorType {
+  message: string;
+  status: number;
+}
+
+// 모든 에러
+app.use(function (err: ErrorType, req: Request, res: Response, next: NextFunction) {
+
+  res.locals.message = err.message;
+  res.locals.error = req.app.get("env") === "production" ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render("error");
+});
+
+app
+  .listen(config.port, () => {
+    console.log(`
+    ################################################
+          🛡️  Server listening on port 🛡️
+    ################################################
+  `);
+  })
+  .on("error", (err) => {
+    console.error(err);
+    process.exit(1);
+  });
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/common/PostBaseResponseDto.ts b/Seminar4/src/interfaces/common/PostBaseResponseDto.ts
new file mode 100644
index 0000000..6af2f99
--- /dev/null
+++ b/Seminar4/src/interfaces/common/PostBaseResponseDto.ts
@@ -0,0 +1,5 @@
+import mongoose from "mongoose";
+
+export interface PostBaseResponseDto {
+    _id: mongoose.Schema.Types.ObjectId;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/movie/MovieInfo.ts b/Seminar4/src/interfaces/movie/MovieInfo.ts
new file mode 100644
index 0000000..07734e7
--- /dev/null
+++ b/Seminar4/src/interfaces/movie/MovieInfo.ts
@@ -0,0 +1,7 @@
+export interface MovieInfo {
+    title: string;
+    director: string;
+    startDate: Date;
+    thumbnail: string;
+    story: string;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/review/ReviewCreateDto.ts b/Seminar4/src/interfaces/review/ReviewCreateDto.ts
new file mode 100644
index 0000000..4c01a93
--- /dev/null
+++ b/Seminar4/src/interfaces/review/ReviewCreateDto.ts
@@ -0,0 +1,7 @@
+import mongoose from "mongoose";
+
+export interface ReviewCreateDto {
+    writer: mongoose.Types.ObjectId;
+    title: string;
+    content: string;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/review/ReviewInfo.ts b/Seminar4/src/interfaces/review/ReviewInfo.ts
new file mode 100644
index 0000000..a13df88
--- /dev/null
+++ b/Seminar4/src/interfaces/review/ReviewInfo.ts
@@ -0,0 +1,8 @@
+import mongoose from "mongoose";
+
+export interface ReviewInfo {
+    writer: mongoose.Types.ObjectId;
+    movie: mongoose.Types.ObjectId;
+    title: string;
+    content: string;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/review/ReviewResponseDto.ts b/Seminar4/src/interfaces/review/ReviewResponseDto.ts
new file mode 100644
index 0000000..eee1348
--- /dev/null
+++ b/Seminar4/src/interfaces/review/ReviewResponseDto.ts
@@ -0,0 +1,8 @@
+import { MovieInfo } from "../movie/MovieInfo";
+
+export interface ReviewResponseDto {
+    writer: string;
+    movie: MovieInfo;
+    title: string;
+    content: string;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/school/SchoolInfo.ts b/Seminar4/src/interfaces/school/SchoolInfo.ts
new file mode 100644
index 0000000..dff9d13
--- /dev/null
+++ b/Seminar4/src/interfaces/school/SchoolInfo.ts
@@ -0,0 +1,4 @@
+export interface SchoolInfo {
+    name: string;
+    major: string;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/user/UserCreateDto.ts b/Seminar4/src/interfaces/user/UserCreateDto.ts
new file mode 100644
index 0000000..4ac313b
--- /dev/null
+++ b/Seminar4/src/interfaces/user/UserCreateDto.ts
@@ -0,0 +1,9 @@
+import { SchoolInfo } from "../school/SchoolInfo";
+
+export interface UserCreateDto {
+    name: string;
+    phone: string;
+    email: string;
+    age?: number;
+    school?: SchoolInfo;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/user/UserInfo.ts b/Seminar4/src/interfaces/user/UserInfo.ts
new file mode 100644
index 0000000..be9057b
--- /dev/null
+++ b/Seminar4/src/interfaces/user/UserInfo.ts
@@ -0,0 +1,9 @@
+import { SchoolInfo } from "../school/SchoolInfo";
+
+export interface UserInfo {
+    name: string;
+    phone: string;
+    email: string;
+    age: number;
+    school: SchoolInfo; 
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/user/UserResponseDto.ts b/Seminar4/src/interfaces/user/UserResponseDto.ts
new file mode 100644
index 0000000..587ba01
--- /dev/null
+++ b/Seminar4/src/interfaces/user/UserResponseDto.ts
@@ -0,0 +1,6 @@
+import mongoose from "mongoose";
+import { UserCreateDto } from "./UserCreateDto";
+
+export interface UserResponseDto extends UserCreateDto {
+    _id: mongoose.Schema.Types.ObjectId;
+}
\ No newline at end of file
diff --git a/Seminar4/src/interfaces/user/UserUpdateDto.ts b/Seminar4/src/interfaces/user/UserUpdateDto.ts
new file mode 100644
index 0000000..8b9efec
--- /dev/null
+++ b/Seminar4/src/interfaces/user/UserUpdateDto.ts
@@ -0,0 +1,10 @@
+import { SchoolInfo } from "../school/SchoolInfo";
+
+export interface UserUpdateDto {
+    // update 들어올 수도 있고 아닐 수도 있음 -> optional
+    name?: string;
+    phone?: string;
+    email?: string;
+    age?: number;
+    school?: SchoolInfo;
+}
\ No newline at end of file
diff --git a/Seminar4/src/loaders/db.ts b/Seminar4/src/loaders/db.ts
new file mode 100644
index 0000000..d54dd46
--- /dev/null
+++ b/Seminar4/src/loaders/db.ts
@@ -0,0 +1,27 @@
+import mongoose from "mongoose";
+import config from "../config"; 
+import Movie from "../models/Movie";
+import Review from "../models/Review";
+
+const connectDB = async () => {
+  try {
+    await mongoose.connect(config.mongoURI);
+
+    mongoose.set('autoCreate', true);
+    
+    console.log("Mongoose Connected ...");
+
+    Movie.createCollection().then(function (collection) {
+      console.log("Review Collection is created!");
+    });
+
+    Review.createCollection().then(function (collection) {
+      console.log("Review Collection is created!");
+    });
+  } catch (err: any) {
+    console.error(err.message);
+    process.exit(1);
+  }
+};
+
+export default connectDB;
diff --git a/Seminar4/src/models/Movie.ts b/Seminar4/src/models/Movie.ts
new file mode 100644
index 0000000..c49765b
--- /dev/null
+++ b/Seminar4/src/models/Movie.ts
@@ -0,0 +1,24 @@
+import mongoose from "mongoose";
+import { MovieInfo } from "../interfaces/movie/MovieInfo";
+
+const MovieSchema = new mongoose.Schema({
+    title: {
+        type: String,
+        required: true
+    },
+    director: {
+        type: String,
+        required: true
+    },
+    startDate: {
+        type: Date
+    },
+    thumbnail: {
+        type: String
+    },
+    story: {
+        type: String
+    }
+});
+
+export default mongoose.model<MovieInfo & mongoose.Document>("Movie", MovieSchema);
\ No newline at end of file
diff --git a/Seminar4/src/models/Review.ts b/Seminar4/src/models/Review.ts
new file mode 100644
index 0000000..667d1f7
--- /dev/null
+++ b/Seminar4/src/models/Review.ts
@@ -0,0 +1,24 @@
+import mongoose from "mongoose";
+import { ReviewInfo } from "../interfaces/review/ReviewInfo";
+
+const ReviewSchema = new mongoose.Schema({
+    writer: {
+        type: mongoose.Types.ObjectId,
+        required: true,
+        ref: "User"
+    },
+    movie: {
+        type: mongoose.Types.ObjectId,
+        required: true,
+        ref: "Movie"
+    },
+    title: {
+        type: String,
+        required: true
+    },
+    content: {
+        type: String
+    }
+});
+
+export default mongoose.model<ReviewInfo & mongoose.Document>("Review", ReviewSchema);
\ No newline at end of file
diff --git a/Seminar4/src/models/User.ts b/Seminar4/src/models/User.ts
new file mode 100644
index 0000000..cbee70f
--- /dev/null
+++ b/Seminar4/src/models/User.ts
@@ -0,0 +1,27 @@
+import mongoose from "mongoose";
+import { UserInfo } from "../interfaces/user/UserInfo";
+
+const UserSchema = new mongoose.Schema({
+    name: {
+        type: String,
+        required: true
+    },
+    phone: {
+        type: String,
+        required: true
+    },
+    email: {
+        type: String,
+        required: true,
+        unique: true
+    },
+    age: {
+        type: Number
+    },
+    school: {
+        name: { type: String },
+        major: { type: String }
+    }
+});
+
+export default mongoose.model<UserInfo & mongoose.Document>("User", UserSchema);
\ No newline at end of file
diff --git a/Seminar4/src/modules/responseMessage.ts b/Seminar4/src/modules/responseMessage.ts
new file mode 100644
index 0000000..f958491
--- /dev/null
+++ b/Seminar4/src/modules/responseMessage.ts
@@ -0,0 +1,18 @@
+const message = {
+    NULL_VALUE: '필요한 값이 없습니다.',
+    NOT_FOUND: '존재하지 않는 자원',
+    BAD_REQUEST: '잘못된 요청',
+    INTERNAL_SERVER_ERROR: '서버 내부 오류',
+
+    // 유저 조회
+    READ_USER_SUCCESS: '유저 조회 성공',
+    CREATE_USER_SUCCESS: '유저 생성 성공',
+    DELETE_USER_SUCCESS: '유저 삭제 성공',
+    UPDATE_USER_SUCCEss: '유저 삭제 성공',
+
+    // 리뷰
+    CREATE_REVIEW_SUCCESS: '리뷰 작성 성공',
+    READ_REVIEW_SUCCESS: '리뷰 조회 성공'
+}
+
+export default message;
\ No newline at end of file
diff --git a/Seminar4/src/modules/statusCode.ts b/Seminar4/src/modules/statusCode.ts
new file mode 100644
index 0000000..a8a29eb
--- /dev/null
+++ b/Seminar4/src/modules/statusCode.ts
@@ -0,0 +1,15 @@
+const statusCode = {
+    OK: 200,
+    CREATED: 201,
+    NO_CONTENT: 204,
+    BAD_REQUEST: 400,
+    UNAUTHORIZED: 401,
+    FORBIDDEN: 403,
+    NOT_FOUND: 404,
+    CONFLICT: 409,
+    INTERNAL_SERVER_ERROR: 500,
+    SERVICE_UNAVAILABLE: 503,
+    DB_ERROR: 600,
+};
+
+export default statusCode;
\ No newline at end of file
diff --git a/Seminar4/src/modules/util.ts b/Seminar4/src/modules/util.ts
new file mode 100644
index 0000000..e3bc16e
--- /dev/null
+++ b/Seminar4/src/modules/util.ts
@@ -0,0 +1,20 @@
+const util = {
+    success: (status: number, message: string, data?: any) => {
+        return {
+            status,
+            success: true,
+            message,
+            data,
+        };
+    },
+    fail: (status: number, message: string, data?: any) => {
+        return {
+            status,
+            success: false,
+            message,
+            data
+        };
+    },
+};
+
+export default util;
\ No newline at end of file
diff --git a/Seminar4/src/routes/ReviewRouter.ts b/Seminar4/src/routes/ReviewRouter.ts
new file mode 100644
index 0000000..b8e36a1
--- /dev/null
+++ b/Seminar4/src/routes/ReviewRouter.ts
@@ -0,0 +1,15 @@
+import { Router } from "express";
+import ReviewController from "../controllers/ReviewController";
+import { body } from "express-validator/check";
+
+const router: Router = Router();
+
+router.post('/movies/:movieId', [
+    body('title').notEmpty(),
+    body('writer').notEmpty(),
+    body('content').notEmpty()
+], ReviewController.createReview);
+
+router.get('/movies/:movieId', ReviewController.getReviews);
+
+export default router; 
\ No newline at end of file
diff --git a/Seminar4/src/routes/UserRouter.ts b/Seminar4/src/routes/UserRouter.ts
new file mode 100644
index 0000000..19868d7
--- /dev/null
+++ b/Seminar4/src/routes/UserRouter.ts
@@ -0,0 +1,11 @@
+import { Router } from "express";
+import { UserController } from "../controllers";
+
+const router: Router = Router();
+
+router.post('/', UserController.createUser);
+router.put('/:userId', UserController.updateUser);
+router.get('/:userId', UserController.findUserById);
+router.delete('/:userId', UserController.deleteUser);
+
+export default router;
\ No newline at end of file
diff --git a/Seminar4/src/routes/index.ts b/Seminar4/src/routes/index.ts
new file mode 100644
index 0000000..aedd102
--- /dev/null
+++ b/Seminar4/src/routes/index.ts
@@ -0,0 +1,11 @@
+//router index file
+import { Router } from 'express';
+import ReviewRouter from './ReviewRouter';
+import UserRouter from "./UserRouter";
+
+const router: Router = Router();
+
+router.use('/user', UserRouter);
+router.use('/review', ReviewRouter);
+
+export default router;
\ No newline at end of file
diff --git a/Seminar4/src/services/ReviewService.ts b/Seminar4/src/services/ReviewService.ts
new file mode 100644
index 0000000..f2331a2
--- /dev/null
+++ b/Seminar4/src/services/ReviewService.ts
@@ -0,0 +1,55 @@
+import { PostBaseResponseDto } from "../interfaces/common/PostBaseResponseDto";
+import { ReviewCreateDto } from "../interfaces/review/ReviewCreateDto";
+import { ReviewResponseDto } from "../interfaces/review/ReviewResponseDto";
+import Review from "../models/Review";
+
+const createReview = async (movieId: string, reviewCreateDto: ReviewCreateDto): Promise<PostBaseResponseDto> => {
+    try {
+        const review = new Review({
+            title: reviewCreateDto.title,
+            content: reviewCreateDto.content,
+            writer: reviewCreateDto.writer,
+            movie: movieId
+        });
+
+        await review.save();
+
+        const data = {
+            _id: review._id
+        };
+
+        return data;
+    } catch (error) {
+        console.log(error);
+        throw error;
+    }
+}
+
+const getReviews = async (movieId: string): Promise<ReviewResponseDto[]> => {
+    try {
+        const reviews = await Review.find({ 
+            movie: movieId
+        }).populate('writer', 'name').populate('movie');
+
+        const data = await Promise.all(reviews.map(async (review: any) => {
+            const result = {
+                writer: review.writer.name,
+                movie: review.movie,
+                title: review.title,
+                content: review.content
+            };
+            
+            return result;
+        }));
+
+        return data;
+    } catch (error) {
+        console.log(error);
+        throw error;
+    }
+}
+
+export default {
+    createReview,
+    getReviews
+}
\ No newline at end of file
diff --git a/Seminar4/src/services/UserService.ts b/Seminar4/src/services/UserService.ts
new file mode 100644
index 0000000..7371a8b
--- /dev/null
+++ b/Seminar4/src/services/UserService.ts
@@ -0,0 +1,72 @@
+import { PostBaseResponseDto } from "../interfaces/common/PostBaseResponseDto";
+import { UserCreateDto } from "../interfaces/user/UserCreateDto";
+import { UserResponseDto } from "../interfaces/user/UserResponseDto";
+import { UserUpdateDto } from "../interfaces/user/UserUpdateDto";
+import User from "../models/User";
+
+const createUser = async (userCreateDto: UserCreateDto): Promise<PostBaseResponseDto> => {
+    try {
+        const user = new User({
+            name: userCreateDto.name,
+            phone: userCreateDto.phone,
+            email: userCreateDto.email,
+            age: userCreateDto.age,
+            school: {
+                name: userCreateDto.school?.name,
+                major: userCreateDto.school?.major
+            }
+        });
+
+        await user.save();
+
+        const data = {
+            _id: user.id
+        };
+
+        return data;
+    } catch (error) {
+        console.log(error);
+        throw error;
+    }
+}
+
+const updateUser = async (userId: string, userUpdateDto: UserUpdateDto) => {
+    try {
+        // findByIdAndUpdate
+        await User.findByIdAndUpdate(userId, userUpdateDto);
+    } catch (error) {
+        console.log(error);
+        throw error;
+    }
+}
+
+const findUserById = async (userId: string): Promise<UserResponseDto | null> => {
+    try {
+        const user = await User.findById(userId);
+
+        if (!user) {
+            return null;
+        }
+
+        return user;
+    } catch (error) {
+        console.log(error);
+        throw error;
+    }
+}
+
+const delteUser = async (userId: string): Promise<void> => {
+    try {
+        await User.findByIdAndDelete(userId);
+    } catch (error) {
+        console.log(error);
+        throw error;
+    }
+}
+
+export default {
+    createUser,
+    updateUser,
+    findUserById,
+    delteUser
+}
\ No newline at end of file
diff --git a/Seminar4/src/services/index.ts b/Seminar4/src/services/index.ts
new file mode 100644
index 0000000..0fa9cc2
--- /dev/null
+++ b/Seminar4/src/services/index.ts
@@ -0,0 +1,6 @@
+import UserService from "./UserService"
+
+//service index file
+export {
+    UserService
+}
\ No newline at end of file
diff --git a/Seminar4/tsconfig.json b/Seminar4/tsconfig.json
new file mode 100644
index 0000000..0f8d5f5
--- /dev/null
+++ b/Seminar4/tsconfig.json
@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "target": "es6", // 어떤 버전으로 컴파일
+    "allowSyntheticDefaultImports": true, // default export가 없는 모듈에서 default imports를 허용
+    "experimentalDecorators": true, // decorator 실험적 허용
+    "emitDecoratorMetadata": true, // 데코레이터가 있는 선언에 대해 특정 타입의 메타 데이터를 내보내는 실험적인 지원
+    "skipLibCheck": true, // 정의 파일 타입 체크 여부
+    "moduleResolution": "node", // commonJS -> node 에서 동작
+    "module": "commonjs", // import 문법
+    "strict": true, // 타입 검사 엄격하게 
+    "pretty": true, // error 메시지 예쁘게
+    "sourceMap": true, // 소스맵 파일 생성 -> .ts가 .js 파일로 트랜스 시 .js.map 생성
+    "outDir": "./dist", // 트랜스 파일 (.js) 저장 경로
+    "allowJs": true, // js 파일 ts에서 import 허용
+    "esModuleInterop": true, // ES6 모듈 사양을 준수하여 CommonJS 모듈을 가져올 수 있게 허용
+    "typeRoots": [
+      "./src/types/express.d.ts", // 타입(*.d.ts)파일을 가져올 디렉토리 설정
+      "./node_modules/@types" // 설정 안할시 기본적으로 ./node_modules/@types
+    ]
+  },
+  "include": [
+    "./src/**/*" // build 시 포함
+  ],
+  "exclude": [
+    "node_modules", // build 시 제외
+    "tests"
+  ]
+}
\ No newline at end of file