Remove sensitive information and use environment variables

Author: AbaSheger

.gitignore

@@ -1,12 +1,7 @@
 import axios from 'axios';
 
-// Determine if we're in production by checking the hostname
-const isProduction = window.location.hostname === '79.76.48.165';
-
-// Create axios instance with base URL based on environment
-const API_BASE_URL = isProduction 
-  ? 'http://79.76.48.165:8080'
-  : 'http://localhost:8080';
+// Create axios instance with base URL from environment variable
+const API_BASE_URL = process.env.REACT_APP_API_BASE_URL || 'http://localhost:8080';
 
 const api = axios.create({
   baseURL: API_BASE_URL,