implementing env

src/server.js

@@ -1,7 +1,11 @@
+require('dotenv').config()
+
 const dgram = require('dgram');
 const server = dgram.createSocket('udp4');
 const app = require('./app')
 
+const PORT = process.env.PORT 
+
 server.on('error', (err) => {
   console.log(`Server error:\n${err.stack}`);
   server.close();
@@ -14,11 +18,11 @@ server.on('message', async (msg, rinfo) => {
   const categories = await app(strMsg)
 
   let result = {}
+
   if (categories) 
   result = {
     result: categories
   }
-  
 
   server.send(JSON.stringify(result), rinfo.port, rinfo.address, (err) => {
     if (err) server.close();
@@ -30,7 +34,7 @@ server.on('listening', () => {
   console.log(`Server listening ${address.address}:${address.port}`);
 });
 
-server.bind(41234);
+server.bind(PORT);
 
 // Response
 // {"result":[10009]}