astro.config.mjs

import { defineConfig } from 'astro/config';

import node from "@astrojs/node";

// https://astro.build/config
export default defineConfig({
  output: "server",
  adapter: node({
    mode: "standalone"
  }),
  server: {
    host: "0.0.0.0",
    port: process.env.PORT || 3000
  }
});