Reworked variable system, no longer hardcoded

frontend/vite.config.js

@@ -1,15 +1,19 @@
-import { defineConfig } from 'vite'
+import { defineConfig, loadEnv } from 'vite'
 import react from '@vitejs/plugin-react'
 
-export default defineConfig({
-  plugins: [react()],
-  server: {
-    host: '0.0.0.0',
-    port: 5173,
-    proxy: {
-      '/api': {
-        target: 'http://localhost:8000',
-        changeOrigin: true,
+export default defineConfig(({ mode }) => {
+  const env = loadEnv(mode, process.cwd(), '')
+
+  return {
+    plugins: [react()],
+    server: {
+      host: '0.0.0.0',
+      port: parseInt(env.VITE_DEV_PORT || '5173'),
+      proxy: {
+        '/api': {
+          target: env.VITE_API_URL || 'http://localhost:8000',
+          changeOrigin: true,
+        }
       }
     }
   }