<h1 id="heading-step-1-create-a-new-app">Step 1: Create a new app</h1>
<pre><code class="lang-sh">npm init @shopify/app@latest
</code></pre>
<h1 id="heading-step-2-init-sam">Step 2: Init SAM</h1>
<pre><code class="lang-sh">mkdir web/sam-app
sam init --name sam-app --runtime nodejs18.x --dependency-manager npm
</code></pre>
<p>The SAM command needs to be corrected and</p>
<h1 id="heading-step-3-add-websam-appshopifywebtoml">Step 3: Add web/sam-app/shopify.web.toml</h1>
<pre><code class="lang-toml"><span class="hljs-attr">type</span>=<span class="hljs-string">"backend"</span>
<span class="hljs-attr">port</span>=<span class="hljs-number">3000</span>

<span class="hljs-section">[commands]</span>
<span class="hljs-attr">dev</span> = <span class="hljs-string">"sam local start-api"</span>
</code></pre>
<p>I've added the <code>port</code> option and changed the dev command</p>



# Step 1: Create a new app

```sh
npm init @shopify/app@latest
```

# Step 2: Init SAM

```sh
mkdir web/sam-app
sam init --name sam-app --runtime nodejs18.x --dependency-manager npm
```

The SAM command needs to be corrected and

# Step 3: Add web/sam-app/shopify.web.toml

```toml
type="backend"
port=3000

[commands]
dev = "sam local start-api"
```

I've added the `port` option and changed the dev command


Developing Shopify Apps with AWS SAM

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