import { defineConfig } from 'astro/config'; import node from '@astrojs/node'; export default defineConfig({ site: process.env.PUBLIC_SITE_URL || 'http://localhost:4321', output: 'server', adapter: node({ mode: 'standalone' }), server: { host: '0.0.0.0', port: 4321, }, vite: { server: { allowedHosts: ['localhost', 'astro', 'astro-dev', '.localhost'], }, }, });