diff --git a/src/createServer.js b/src/createServer.js
index 1cf1dda..f76124a 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,8 +1,114 @@
 'use strict';
 
+/* eslint-disable no-console */
+
+const { Server } = require('node:http');
+const fs = require('node:fs');
+const zlib = require('node:zlib');
+
+const { formidable } = require('formidable');
+const { pipeline } = require('node:stream');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  const server = new Server();
+
+  server.on('request', async (req, res) => {
+    const path = req.url;
+    const method = req.method;
+
+    if (method === 'GET' && path === '/') {
+      res.statusCode = 200;
+      res.setHeader('Content-Type', 'text/html');
+
+      const file = fs.createReadStream('public/index.html');
+
+      file.on('error', () => {
+        res.statusCode = 404;
+        res.end('No such file');
+      });
+
+      file.on('close', () => {
+        console.log('connection close');
+        file.destroy();
+      });
+
+      pipeline(file, res, (err) => {
+        if (err) {
+          res.end();
+        }
+      });
+    } else if (method === 'POST' && path === '/compress') {
+      const form = formidable({});
+
+      form.parse(req, (err, fields, files) => {
+        if (err) {
+          res.statusCode = 400;
+          res.end();
+
+          return;
+        }
+
+        if (!files.file?.[0] || !fields.compressionType?.[0]) {
+          res.statusCode = 400;
+          res.end();
+
+          return;
+        }
+
+        const uploadedFilePath = files.file[0].filepath;
+        const readStream = fs.createReadStream(uploadedFilePath);
+        const compressionType = fields.compressionType[0];
+        const fileName = files.file[0].originalFilename;
+
+        let fileCompression;
+        let extension = '';
+
+        switch (compressionType) {
+          case 'gzip':
+            fileCompression = zlib.createGzip();
+            extension = '.gz';
+
+            break;
+          case 'deflate':
+            fileCompression = zlib.createDeflate();
+            extension = '.dfl';
+
+            break;
+          case 'br':
+            fileCompression = zlib.createBrotliCompress();
+            extension = '.br';
+
+            break;
+          default:
+            res.statusCode = 400;
+            res.end();
+
+            return;
+        }
+        res.statusCode = 200;
+        res.setHeader('Content-Type', 'application/octet-stream');
+
+        res.setHeader(
+          'Content-Disposition',
+          `attachment; filename=${fileName}${extension}`,
+        );
+
+        pipeline(readStream, fileCompression, res, (error) => {
+          if (error) {
+            res.end();
+          }
+        });
+      });
+    } else if (method === 'GET' && path === '/compress') {
+      res.statusCode = 400;
+      res.end();
+    } else {
+      res.statusCode = 404;
+      res.end();
+    }
+  });
+
+  return server;
 }
 
 module.exports = {