vite.config.ts

import path from 'path';
import { defineConfig, loadEnv } from 'vite';
import react from '@vitejs/plugin-react';

export default defineConfig(({ mode }) => {
    const env = loadEnv(mode, '.', '');
    return {
      server: {
        // Use PORT env if provided, otherwise default to Vite's common 5173.
        // strictPort: false allows Vite to pick the next available port if the chosen one is occupied.
        port: Number(env.PORT) || 5173,
        host: '0.0.0.0',
        strictPort: false,
      },
      plugins: [react()],
      define: {
        'process.env.API_KEY': JSON.stringify(env.GEMINI_API_KEY),
        'process.env.GEMINI_API_KEY': JSON.stringify(env.GEMINI_API_KEY)
      },
      resolve: {
        alias: {
          '@': path.resolve(__dirname, '.'),
        }
      }
    };
});