feat: polish readme, resolve codex comment, version downgrade for next build cycle

Author: yuriiLevantovych

.github/workflows/update_readme.yaml

@@ -27,18 +27,56 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: us-east-1
 
-      - name: Get Latest Release URL and Tag Version
+      - name: Check if update needed
+        id: check_update
         run: |
           JSON_RESPONSE=$(curl -s https://api.github.com/repos/Sparticuz/chromium/releases/latest)
           TAG_VERSION=$(echo $JSON_RESPONSE | grep -Po '"tag_name": "\K[^"]+')
+          CURRENT_VERSION=$(cat .tag_version || echo '')
+
+          # Get layer file sizes for both architectures and convert to MB
+          X64_SIZE_BYTES=$(echo $JSON_RESPONSE | grep -Po '"name": "chromium-[^"]+-layer\.x64\.zip"[^}]*"size": \K[0-9]+' | head -1)
+          ARM64_SIZE_BYTES=$(echo $JSON_RESPONSE | grep -Po '"name": "chromium-[^"]+-layer\.arm64\.zip"[^}]*"size": \K[0-9]+' | head -1)
+
+          if [[ -n "$X64_SIZE_BYTES" ]]; then
+            X64_SIZE_MB=$((X64_SIZE_BYTES / 1024 / 1024))
+            echo "X64_SIZE_MB=$X64_SIZE_MB" >> $GITHUB_ENV
+          else
+            echo "X64_SIZE_MB=63" >> $GITHUB_ENV
+          fi
+
+          if [[ -n "$ARM64_SIZE_BYTES" ]]; then
+            ARM64_SIZE_MB=$((ARM64_SIZE_BYTES / 1024 / 1024))
+            echo "ARM64_SIZE_MB=$ARM64_SIZE_MB" >> $GITHUB_ENV
+          else
+            echo "ARM64_SIZE_MB=62" >> $GITHUB_ENV
+          fi
+
+          if [[ "$TAG_VERSION" == "$CURRENT_VERSION" ]]; then
+            echo "No new version to update. Current: $CURRENT_VERSION, Latest: $TAG_VERSION"
+            echo "skip=true" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
+          echo "New version detected: $TAG_VERSION (current: $CURRENT_VERSION)"
+          echo "skip=false" >> $GITHUB_OUTPUT
           echo "TAG_VERSION=$TAG_VERSION" >> $GITHUB_ENV
 
+      - name: Get Latest Release URL and Tag Version
+        if: steps.check_update.outputs.skip == 'false'
+        run: |
+          echo "TAG_VERSION=${{ env.TAG_VERSION }}" >> $GITHUB_ENV
+
       - name: Update README
+        if: steps.check_update.outputs.skip == 'false'
         run: |
           TAG_VERSION=${{ env.TAG_VERSION }}
+          X64_SIZE_MB=${{ env.X64_SIZE_MB }}
+          ARM64_SIZE_MB=${{ env.ARM64_SIZE_MB }}
           ARN_BASE="arn:aws:lambda:"
           ACCOUNT_ID="764866452798"
 
+          sed -i -e "s|> .*compressed with Brotli|> ${X64_SIZE_MB} MB (x64) / ${ARM64_SIZE_MB} MB (arm64) Chromium layer for AWS Lambda compressed with Brotli|g" readme.md
           sed -i -e "s|Has Chromium v[0-9\.]*|Has Chromium $TAG_VERSION|g" readme.md
 
           for REGION in ${{ env.AWS_REGIONS }}; do
@@ -53,6 +91,7 @@ jobs:
           done
 
       - name: Commit and Push
+        if: steps.check_update.outputs.skip == 'false'
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"

.tag_version

@@ -1 +1 @@
-v143.0.0
+v141.0.0

readme.md

@@ -1,10 +1,10 @@
 # Google Chrome for AWS Lambda as a layer
 
-> 58 MB Google Chrome to fit inside AWS Lambda Layer compressed with Brotli
+> 66 MB (x64) / 64 MB (arm64) Chromium layer for AWS Lambda compressed with Brotli
 
 [Sparticuz/chromium](https://github.com/Sparticuz/chromium) published as a Lambda Layer.
 
-Tested with Node.js 16x/18x/20x. Compatible with x86_64 and arm64 architectures. Has Chromium v143.0.0
+Tested with Node.js 16x/18x/20x/22x. Compatible with x86_64 and arm64 architectures. Has Chromium v141.0.0
 
 ## Getting Started