ci(size): comment the size change on pull requests

.github/workflows/actions.lock

@@ -26,6 +26,7 @@ workflows:
     '.github/workflows/pr-quality.yaml':
         - 'peakoss/anti-slop@v0.3.0'
     '.github/workflows/pull-request.yaml':
+        - 'actions/checkout@v7.0.1'
         - 'actions/download-artifact@v8.0.2'
         - 'docker/login-action@v4.7.0'
     '.github/workflows/release.yaml':

.github/workflows/pull-request.yaml

@@ -82,3 +82,38 @@ jobs:
             sources+=("oci-layout://${index%/index.json}@$(jq -r '.manifests[0].digest' "$index")")
           done
           docker buildx imagetools create --tag "ghcr.io/coollabsio/coolify:$TAG" "${sources[@]}"
+
+  size:
+    name: Compare size with latest
+    needs: build
+    permissions:
+      contents: read
+      pull-requests: write # comment the size report on the pull request
+    runs-on: ubuntu-26.04 # https://github.com/actions/runner-images
+    timeout-minutes: 30
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Download the built images
+        uses: actions/download-artifact@v8.0.2
+        with:
+          pattern: image-*
+          path: ${{ runner.temp }}/images
+
+      - name: Compare the size with the latest release
+        env:
+          IMAGE_NAME: pr-${{ github.event.pull_request.number }}
+          OUTPUT_FILE: ${{ runner.temp }}/size.md
+        run: |
+          scripts/size.sh "$RUNNER_TEMP/images" coollabsio/coolify:latest
+          cat "$OUTPUT_FILE" >> "$GITHUB_STEP_SUMMARY"
+
+      - name: Comment the size on the pull request
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]' }}
+        env:
+          GH_TOKEN: ${{ github.token }}
+          PULL_REQUEST: ${{ github.event.pull_request.number }}
+        run: gh pr comment "$PULL_REQUEST" --body-file "$RUNNER_TEMP/size.md" --edit-last --create-if-none