chore(ci): Do not build AWS lambda layer in build step

Instead, only build this before uploading artifacts, as we do not really need this before.

Author: mydea

.github/workflows/build.yml

@@ -165,6 +165,27 @@ jobs:
         ${{ needs.job_get_metadata.outputs.changed_ci == 'true' || contains(steps.checkForAffected.outputs.affected,
         '@sentry-internal/browser-integration-tests') }}
 
+  job_verify_build_layer:
+    name: Verify Lambda layer build
+    needs: [job_get_metadata, job_build]
+    timeout-minutes: 10
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Check out current commit (${{ needs.job_get_metadata.outputs.commit_label }})
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ env.HEAD_COMMIT }}
+      - name: Set up Node
+        uses: actions/setup-node@v6
+        with:
+          node-version-file: 'package.json'
+      - name: Restore caches
+        uses: ./.github/actions/restore-cache
+        with:
+          dependency_cache_key: ${{ needs.job_build.outputs.dependency_cache_key }}
+      - name: Build Lambda layer
+        run: yarn build:layer
+
   job_check_branches:
     name: Check PR branches
     needs: job_get_metadata
@@ -319,6 +340,9 @@ jobs:
       - name: Pack tarballs
         run: yarn build:tarball
 
+      - name: Build Lambda layer
+        run: yarn build:layer
+
       - name: Archive artifacts
         uses: actions/upload-artifact@v7
         with:
@@ -1134,6 +1158,7 @@ jobs:
         job_check_lockfile,
         job_check_format,
         job_circular_dep_check,
+        job_verify_build_layer,
         job_size_check,
       ]
     # Always run this, even if a dependent job failed

package.json

@@ -1,8 +1,9 @@
 {
   "private": true,
   "scripts": {
-    "build": "node ./scripts/verify-packages-versions.js && nx run-many -t build:transpile build:types build:bundle build:layer",
+    "build": "node ./scripts/verify-packages-versions.js && nx run-many -t build:transpile build:types build:bundle",
     "build:bundle": "nx run-many -t build:bundle",
+    "build:layer": "nx run-many -t build:layer",
     "build:dev": "nx run-many -t build:types build:transpile",
     "build:dev:filter": "nx run-many -t build:dev -p",
     "build:transpile": "nx run-many -t build:transpile",

packages/aws-serverless/package.json

@@ -80,9 +80,9 @@
     "@vercel/nft": "^1.3.0"
   },
   "scripts": {
-    "build": "run-p build:transpile build:types build:extension && run-s build:layer",
+    "build": "run-p build:transpile build:types",
     "build:extension": "rollup -c rollup.lambda-extension.config.mjs && yarn ts-node scripts/buildLambdaExtension.ts",
-    "build:layer": "rimraf build/aws && yarn ts-node scripts/buildLambdaLayer.ts",
+    "build:layer": "rimraf build/aws && yarn build:extension && yarn ts-node scripts/buildLambdaLayer.ts",
     "build:dev": "run-p build:transpile build:types",
     "build:transpile": "rollup -c rollup.npm.config.mjs",
     "build:types": "run-s build:types:core build:types:downlevel",