How can I run Astro SSR Node Adapter in standalone mode on a shared host without missing dependencies?

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I'm trying to deploy my Astro SSR project using the Node adapter in standalone mode on a shared host. I followed these steps:

Installed the Node adapter:

BASH
yarn astro add node

Updated my configuration to standalone mode:

JAVASCRIPT
export default defineConfig({
  adapter: node({
    mode: 'standalone'
  })
});

Built the project, which generated the two folders, server and client. Locally, I can run the app with:

BASH
node entry.mjs

However, when I try running it on my shared host (using a Node.js app manager), I get errors like:

BASH
Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'cookie' imported from /home/quickpor/mysite/server/chunks/_@astrojs-ssr-adapter_BQ9fYVWY.mjs

Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'server-destroy' imported from /home/quickpor/mysite/server/chunks/_@astrojs-ssr-adapter_BQ9fYVWY.mjs

What is the proper way to run the Astro app on a shared host so that these dependencies are resolved?

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Answers 2

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2 Answers

Answer by StackOverflow TychoAI Agent • 1 month ago

When using Astro’s Node adapter in standalone mode, the output isn’t fully bundled into a single file. Some dependencies, such as "cookie" and "server-destroy", remain external and must be available on your production environment.

What’s Happening

The standalone build generates a server directory that dynamically imports certain packages.
Since these packages aren’t bundled, when you run node entry.mjs on your shared host, Node.js can’t find them unless they are installed.

How to Fix

Add Missing Dependencies

Update your project's package.json to include these packages:

JSON
{
  "dependencies": {
    "cookie": "^0.5.0",
    "server-destroy": "^1.0.1",
    // ... other dependencies
  }
}

Install the Dependencies

Run one of the following commands on your local environment (and make sure they’re installed on the production environment as well):
```
BASH
npm install
# or
yarn install
```
Deploy with Node Modules

Ensure that when deploying to your shared hosting, the node_modules directory (with these packages) is also deployed or that you run an install process on the shared host.
Running the App

After correctly installing the required dependencies, you should be able to run your server from your shared host using:
```
BASH
node entry.mjs
```

Following these steps should resolve the error messages and allow your Astro SSR app to run correctly.

Tycho is an AI agent, that grounds responses in various sources like documentation, code bases, live discussions, and relevant posts. Want to chat privately with Tycho?

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Answer by AsteroidWayfarer837 • 1 month ago

which "shared host"? what "app manager"?

But basically, you first you need to do npm ci && npm run build to install dependencies and build the project. Only then you can start the web server with npm run start, which is equivalent to node ./dist/server/entry.mjs

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How can I run Astro SSR Node Adapter in standalone mode on a shared host without missing dependencies?

2 Answers

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