Attach source archive to releases

.github/workflows/bazel.yml

@@ -140,6 +140,36 @@ jobs:
             echo "Tag ${TAG} does not exist, will create release."
           fi
 
+      - name: Create release archive
+        if: steps.check_tag.outputs.exists == 'false'
+        run: |
+          set -euo pipefail
+          VERSION="${{ steps.version.outputs.version }}"
+          ARCHIVE="dist/khttpd-${VERSION}.tar.gz"
+
+          mkdir -p dist
+          git archive \
+            --format=tar \
+            --prefix="khttpd-${VERSION}/" \
+            HEAD \
+            BUILD.bazel \
+            LICENSE \
+            MODULE.bazel \
+            README.md \
+            doc \
+            framework \
+            | gzip -n -9 > "${ARCHIVE}"
+
+          tar -tzf "${ARCHIVE}"
+
+      - name: Upload release archive artifact
+        if: steps.check_tag.outputs.exists == 'false'
+        uses: actions/upload-artifact@v4
+        with:
+          name: khttpd-${{ steps.version.outputs.version }}-source
+          path: dist/khttpd-${{ steps.version.outputs.version }}.tar.gz
+          if-no-files-found: error
+
       - name: Create tag
         if: steps.check_tag.outputs.exists == 'false'
         run: |
@@ -157,6 +187,7 @@ jobs:
           name: Release v${{ steps.version.outputs.version }}
           generate_release_notes: true
           draft: false
+          files: dist/khttpd-${{ steps.version.outputs.version }}.tar.gz
 
   publish_to_bcr:
     name: Publish release to BCR