Astro Adapter

The Astro Adapter in Kiln turns Astro SSR applications into standalone binaries with native asset extraction and fast server startup.

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Supported Versions

• Astro 5.x & Astro 7.x
• @astrojs/node standalone output
• SSR, Hybrid, and Static Prerendered Routes

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Configuration

Install @astrojs/node:

bun add @astrojs/node
bun add -d kiln-compiler

In your astro.config.mjs:

import { defineConfig } from "astro/config";
import node from "@astrojs/node";

export default defineConfig({
  output: "server",
  adapter: node({ mode: "standalone" }),
});

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Build & Run

In your package.json:

"scripts": {
  "build": "astro build",
  "compile": "kiln -o ./bin/app",
  "build:compile": "astro build && kiln -o ./bin/app"
}

Compile and run:

bun run build:compile
./bin/app

The application will start listening on http://0.0.0.0:4321 (or PORT environment variable).