diff --git a/back/nodemon.json b/back/nodemon.json
new file mode 100644
index 0000000..14d3f38
--- /dev/null
+++ b/back/nodemon.json
@@ -0,0 +1,6 @@
+{
+  "watch": ["src/"],
+  "ext": "ts,json",
+  "exec": "etsc && node ./dist/index.js",
+  "legacyWatch": true
+}
diff --git a/back/package.json b/back/package.json
new file mode 100644
index 0000000..1548611
--- /dev/null
+++ b/back/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "roomruler",
+  "version": "1.0.0",
+  "description": "Web application for distribution of free classrooms",
+  "scripts": {
+    "build": "esbuild src/index.ts --bundle --minify --outdir=dist --platform=node",
+    "start": "esbuild",
+    "dev": "nodemon"
+  },
+  "author": "dm1sh",
+  "license": "MIT",
+  "devDependencies": {
+    "@types/ws": "^7.4.7",
+    "esbuild": "^0.12.25",
+    "esbuild-envfile-plugin": "^1.0.1",
+    "esbuild-node-tsc": "^1.6.1",
+    "nodemon": "^2.0.12",
+    "typescript": "^4.4.2"
+  },
+  "dependencies": {
+    "pg": "^8.7.1",
+    "reflect-metadata": "^0.1.13",
+    "typeorm": "^0.2.37",
+    "ws": "^8.2.1"
+  }
+}
diff --git a/back/src/index.ts b/back/src/index.ts
new file mode 100644
index 0000000..0bab5b9
--- /dev/null
+++ b/back/src/index.ts
@@ -0,0 +1,12 @@
+import "reflect-metadata";
+import { Server } from "ws";
+
+(async () => {
+  const wss = new Server({
+    port: Number.parseInt(process.env.PORT || "") || 8081,
+  });
+
+  wss.on("connection", async (ws) => {
+    ws.send("hello");
+  });
+})();
diff --git a/back/tsconfig.json b/back/tsconfig.json
new file mode 100644
index 0000000..7d1d347
--- /dev/null
+++ b/back/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "moduleResolution": "node",
+    "forceConsistentCasingInFileNames": true,
+    "strict": false,
+    "skipLibCheck": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "outDir": "dist"
+  }
+}
diff --git a/index.html b/front/index.html
similarity index 100%
rename from index.html
rename to front/index.html
diff --git a/package.json b/front/package.json
similarity index 100%
rename from package.json
rename to front/package.json
diff --git a/src/App.tsx b/front/src/App.tsx
similarity index 100%
rename from src/App.tsx
rename to front/src/App.tsx
diff --git a/src/components/BuildingPlan.tsx b/front/src/components/BuildingPlan.tsx
similarity index 100%
rename from src/components/BuildingPlan.tsx
rename to front/src/components/BuildingPlan.tsx
diff --git a/src/components/Canvas.tsx b/front/src/components/Canvas.tsx
similarity index 100%
rename from src/components/Canvas.tsx
rename to front/src/components/Canvas.tsx
diff --git a/src/components/RoomList.tsx b/front/src/components/RoomList.tsx
similarity index 100%
rename from src/components/RoomList.tsx
rename to front/src/components/RoomList.tsx
diff --git a/src/constants.ts b/front/src/constants.ts
similarity index 100%
rename from src/constants.ts
rename to front/src/constants.ts
diff --git a/src/context.tsx b/front/src/context.tsx
similarity index 100%
rename from src/context.tsx
rename to front/src/context.tsx
diff --git a/src/index.tsx b/front/src/index.tsx
similarity index 100%
rename from src/index.tsx
rename to front/src/index.tsx
diff --git a/src/types/context.ts b/front/src/types/context.ts
similarity index 100%
rename from src/types/context.ts
rename to front/src/types/context.ts
diff --git a/src/types/room.ts b/front/src/types/room.ts
similarity index 100%
rename from src/types/room.ts
rename to front/src/types/room.ts
diff --git a/src/types/time.ts b/front/src/types/time.ts
similarity index 100%
rename from src/types/time.ts
rename to front/src/types/time.ts
diff --git a/src/types/ui.ts b/front/src/types/ui.ts
similarity index 100%
rename from src/types/ui.ts
rename to front/src/types/ui.ts
diff --git a/tsconfig.json b/front/tsconfig.json
similarity index 100%
rename from tsconfig.json
rename to front/tsconfig.json
diff --git a/vite.config.js b/front/vite.config.js
similarity index 100%
rename from vite.config.js
rename to front/vite.config.js