diff --git a/app.js b/app.js
new file mode 100644
index 0000000..ff6f0c9
--- /dev/null
+++ b/app.js
@@ -0,0 +1,13 @@
+const express = require('express');
+const path = require('path');
+const fs = require('fs');
+
+const app = express();
+app.set('port', process.env.PORT || 8005);
+
+// express 서버 litern
+const server = app.listen(app.get('port'), () => {
+    console.log(app.get('port'), '번 포트에서 대기중');
+})
+
+webSocket(server);
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..28f7c0d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,490 @@
+{
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+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+    },
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+      "requires": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
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+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
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+      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
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+      "requires": {
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+      }
+    },
+    "body-parser": {
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+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
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+        "raw-body": "2.4.0",
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-5.1.0.tgz",
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+      }
+    },
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+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "~1.7.2",
+        "mime": "1.6.0",
+        "ms": "2.1.1",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
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+      }
+    },
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+      }
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+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
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+      "requires": {
+        "random-bytes": "~1.0.0"
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+    "unpipe": {
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+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
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+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..0aa849f
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "project1",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cookie-parser": "^1.4.5",
+    "dotenv": "^10.0.0",
+    "express": "^4.17.1",
+    "express-session": "^1.17.2",
+    "morgan": "^1.10.0",
+    "nunjucks": "^3.2.3"
+  }
+}
diff --git a/room/Create.js b/room/Create.js
new file mode 100644
index 0000000..8c376ba
--- /dev/null
+++ b/room/Create.js
@@ -0,0 +1,11 @@
+function Create(data) {
+    const id = 1
+    for (var i in data) {
+        if (id === i) {
+            id++;
+        }
+    }
+    data.push(id);
+}
+
+module.exports = Create;
\ No newline at end of file
diff --git a/socket.js b/socket.js
new file mode 100644
index 0000000..579cf99
--- /dev/null
+++ b/socket.js
@@ -0,0 +1,93 @@
+const SocketIO = require('socket.io');
+
+module.exports = (server) => {
+    const io = SocketIO(server, {path: '/socket.io', transports: ['websocket']});
+    
+    io.on('connection', (socket) => {
+        const req = socket.request;
+        const ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
+        console.log( ip + '의 새로운 유저가 접속하였습니다.');
+        
+        socket.on('error', (error) => {
+            console.log("에러 발생.")
+        })
+
+        socket.on('createRoom', function(data) {
+            console.log("CreateRoom Event");
+            roomid = CreateID();
+            if (io.sockets.adapter.rooms[roomId]) {
+                console.log('방이 이미 있습니다.');
+                socket.emit("exist");
+            } else {
+                console.log("방 생성 시작");
+                socket.join(roomId);
+                io.sockets.adapter.rooms[roomId].host = data.name;
+                if (data.password == "") {
+                    io.sockets.adapter.rooms[roomId].isOpen = true;
+                } else {
+                    io.sockets.adapter.rooms[roomId].isOpen = false;
+                    io.sockets.adapter.rooms[roomId].password = data.password;
+                    io.sockets.adapter.rooms[roomId].max_user = data.max_user;
+                }
+            }
+
+        });
+        
+        socket.on('JoinRoom', function(data) {
+            console.log("JoinRoom Event");
+            if (!io.sockets.adapter.rooms[data.roomId] && !io.sockets.adapter.rooms[data.roomName]) {
+                console.log("방이 존재하지 않습니다.");
+                socket.emit("Fail");
+            } else {
+                const currentRoom = io.sockets.adapter.rooms[data.roomId];
+                if (!currentRoom.isOpen && currentRoom.password !== data.password) {
+                    console.log("비밀번호가 틀렸습니다.")
+                    socket.emit("again");
+                    // 다시 화면으로
+                } else if (currentRoom.max_user < data.max_user) {
+                    console.log("방에 인원이 다 차있습니다.");
+                    socket.emit("Fail");
+                } else {
+                    socket.join(data.roomId);
+                }
+            }
+        });
+        socket.on('Update', function(data) {
+            const currentRoom = io.sockets.adapter.rooms[data.roomId];
+            currentRoom.id = data.roomId;
+            currentRoom.name = data.roomName;
+            currentRoom.host = data.name;
+            currentRoom.isOpen = data.isOpen;
+            currentRoom.max_people = data.max_user;
+        });
+
+        socket.on('DeleteRoom', function(data) {
+            // 방소유주가 아닐 경우
+            if (!io.sockets.adapter.rooms[data.roomId]) { 
+                // 방이 만들어지지 않은 경우
+                console.log('방이 만들어져있지 않습니다.')
+            } else {
+                const currentRoom = io.sockets.adapter.rooms[data.roomId];
+
+                if (currentRoom.host == data.name) {
+                    socket.leave(currentRoom);
+                    delete io.sockets.adapter.rooms[room.roomId];
+                    socket.broadcast.to(currentRoom).emit("Delete"); // 본인제외 방없어진 메시지 보내기
+                } else {
+                    console.log("권한이 없습니다.");
+                    socket.emit("Fail_delete",); // event 수정
+                }
+            }
+        })
+    })
+}
+
+function CreateID(data) {
+    const id = 1
+    for (var i in data) {
+        if (id === i) {
+            id++;
+        }
+    }
+    return id;
+}
\ No newline at end of file