@shopify/shopify-app-express

This package makes it easy for Express.js apps to integrate with Shopify. It builds on the @shopify/shopify-api package and creates a middleware layer that allows the app to communicate with and authenticate requests from Shopify.

Note: this package will enable your app's backend to work with Shopify APIs, and by default it will behave as an embedded app. You'll need to use Shopify App Bridge in your frontend to authenticate requests to the backend.

Getting started

To install this package, you can run this on your terminal:

# You can use your preferred Node package manager
yarn add @shopify/shopify-app-express @shopify/shopify-api

Then, you can import the package in your app

import {shopifyApp} from '@shopify/shopify-app-express';
import express from 'express';

const PORT = 8080;

const shopify = shopifyApp({
  api: {
    apiKey: 'ApiKeyFromPartnersDashboard',
    apiSecretKey: 'ApiSecretKeyFromPartnersDashboard',
    scopes: ['your_scopes'],
    hostScheme: 'http',
    hostName: `localhost:${PORT}`,
  },
});

const app = express();

// Handles authenticating your app when you visit /api/auth
app.use('/api', shopify.app());

app.get('/', (req, res) => {
  res.send('Hello world!');
});

app.listen(PORT);

You can then run your Express app as usual, for instance using:

node ./index.js

And access http://localhost:8080 in your browser to view your app.

You can find all allowed configuration options for shopifyApp in the reference docs.