converted to environment variables and changed and deleted API key.

.gitignore

@@ -1,3 +1,5 @@
+.env
+
 # Logs
 logs
 *.log

package-lock.json

@@ -13,6 +13,7 @@
         "@fortawesome/free-solid-svg-icons": "^6.7.2",
         "@fortawesome/react-fontawesome": "^0.2.2",
         "cors": "^2.8.5",
+        "dotenv": "^16.4.7",
         "express": "^4.21.2",
         "postmark": "^4.0.5",
         "react": "^18.2.0",
@@ -1192,6 +1193,18 @@
         "node": ">=8"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.4.7",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
+      "integrity": "sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",

package.json

@@ -5,6 +5,7 @@
     "@fortawesome/free-solid-svg-icons": "^6.7.2",
     "@fortawesome/react-fontawesome": "^0.2.2",
     "cors": "^2.8.5",
+    "dotenv": "^16.4.7",
     "express": "^4.21.2",
     "postmark": "^4.0.5",
     "react": "^18.2.0",
@@ -24,5 +25,6 @@
     "build": "vite build",
     "dev": "vite --host",
     "start": "vite --host"
-  }
+  },
+  "type": "module"
 }

src/server.js

@@ -1,11 +1,13 @@
 import express from "express";
 import cors from "cors";
 import postmark from "postmark";
+import * as dotenv from 'dotenv';
+dotenv.config();
+
 const app = express();
 const port = 3001; // Example port
-const client = new postmark.ServerClient(
+const apiKey = process.env.API_KEY;
-  "d15a4575-17f1-4ead-8e53-69eb2faea982",
+const client = new postmark.ServerClient(apiKey);
-);
 
 app.use(cors());
 app.use(express.json()); // Parse incoming JSON data