fix(ci): fix lambda-adapter permissions, local layer injection, and add deno setup

Author: bnusunny

.github/workflows/examples.yaml

@@ -113,7 +113,8 @@ jobs:
 
       - name: Build local adapter image
         run: |
-          printf 'FROM scratch\nCOPY lambda-adapter /lambda-adapter\n' | \
+          chmod +x /tmp/layer-x86_64/lambda-adapter
+          printf 'FROM scratch\nCOPY --chmod=755 lambda-adapter /lambda-adapter\n' | \
             docker build -t public.ecr.aws/awsguru/aws-lambda-adapter:1.0.0-rc1 -f- /tmp/layer-x86_64
 
       - name: Build
@@ -188,27 +189,53 @@ jobs:
           use-installer: true
           token: ${{ secrets.GITHUB_TOKEN }}
 
+      - uses: denoland/setup-deno@v2
+        if: matrix.example == 'deno-zip'
+        with:
+          deno-version: v2.x
+
       - uses: actions/download-artifact@v4
         with:
           name: layer-x86_64
           path: /tmp/layer-x86_64
 
-      - name: Prepare local layer
+      - name: Build
+        working-directory: examples/${{ matrix.example }}
+        run: sam build
+
+      - name: Inject local layer into build output
+        working-directory: examples/${{ matrix.example }}
         run: |
-          LAYER_DIR="/tmp/local-layers/LambdaAdapterLayerX86"
+          # Prepare local layer directory with correct structure
+          LAYER_DIR=".aws-sam/build/LocalAdapterLayer"
           mkdir -p "$LAYER_DIR/extensions"
           cp /tmp/layer-x86_64/bootstrap "$LAYER_DIR/"
           cp /tmp/layer-x86_64/lambda-adapter "$LAYER_DIR/extensions/"
-          chmod +x "$LAYER_DIR/extensions/lambda-adapter" "$LAYER_DIR/bootstrap"
-
-      - name: Patch template to use local layer
-        working-directory: examples/${{ matrix.example }}
-        run: |
-          sed -i 's|!Sub arn:aws:lambda:${AWS::Region}:753240598075:layer:LambdaAdapterLayerX86:[0-9]*|/tmp/local-layers/LambdaAdapterLayerX86|' template.yaml
-
-      - name: Build
-        working-directory: examples/${{ matrix.example }}
-        run: sam build
+          chmod +x "$LAYER_DIR/bootstrap" "$LAYER_DIR/extensions/lambda-adapter"
+          # Add local layer resource and replace remote layer ARN refs
+          python3 -c "
+import yaml
+with open('.aws-sam/build/template.yaml') as f:
+    t = yaml.safe_load(f)
+t['Resources']['LocalAdapterLayer'] = {
+    'Type': 'AWS::Lambda::LayerVersion',
+    'Properties': {
+        'Content': 'LocalAdapterLayer',
+        'LayerName': 'local-adapter'
+    }
+}
+for r in t.get('Resources', {}).values():
+    layers = r.get('Properties', {}).get('Layers', [])
+    for i, l in enumerate(layers):
+        if isinstance(l, dict):
+            v = l.get('Fn::Sub', '')
+        else:
+            v = l
+        if 'LambdaAdapterLayerX86' in str(v):
+            layers[i] = {'Ref': 'LocalAdapterLayer'}
+with open('.aws-sam/build/template.yaml', 'w') as f:
+    yaml.dump(t, f)
+"
 
       - name: Start local API and verify
         working-directory: examples/${{ matrix.example }}