implementing env

.gitignore

@@ -1 +1,2 @@
-node_modules
+node_modules
+.env

package-lock.json

@@ -0,0 +1,27 @@
+{
+  "name": "netstar-categorizer",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "netstar-categorizer",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "dotenv": "^16.4.5"
+      }
+    },
+    "node_modules/dotenv": {
+      "version": "16.4.5",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.5.tgz",
+      "integrity": "sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    }
+  }
+}

package.json

@@ -4,10 +4,14 @@
   "main": "src/server.js",
   "scripts": {
     "dev:server": "node --watch src/server.js",
-    "dev:client": "node src/client.js"
+    "dev:client": "node src/client.js",
+    "start": "node src/server.js"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "description": ""
+  "description": "",
+  "dependencies": {
+    "dotenv": "^16.4.5"
+  }
 }

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]}