https://omarmakled.com/tags/layers/ Recent content in Layers on {O} Hugo -- 0.151.1 en-us https://omarmakled.com/posts/sam-layer/ Mon, 01 Jan 0001 00:00:00 +0000 https://omarmakled.com/posts/sam-layer/ <p>This example shows how to build a <strong>modular AWS Lambda project</strong> using <strong>SAM (Serverless Application Model)</strong> with <strong>nested stacks</strong> and a <strong>shared layer</strong>. This helps keep your project clean and organized by separating logic and shared dependencies.</p> <hr> <h3 id="how-it-works">How It Works</h3> <ul> <li><strong><code>layer.yaml</code></strong> creates a shared Lambda Layer that contains Node.js packages (like <code>axios</code>).</li> <li><strong><code>order.yaml</code></strong> and <strong><code>log.yaml</code></strong> are two Lambda functions that use this shared layer.</li> <li>The <strong>root template (<code>template.yaml</code>)</strong>: <ul> <li>Creates the layer stack.</li> <li>Passes the layer reference to the other stacks as a parameter.</li> </ul> </li> </ul> <hr> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>sam build </span></span><span style="display:flex;"><span>sam deploy --guided </span></span></code></pre></div><p><strong>Project Repository:</strong> <a href="https://github.com/OmarMakled/sam-nested-layer">https://github.com/OmarMakled/sam-nested-layer</a></p>