diff --git a/.gitea/workflows/base-build.yml b/.gitea/workflows/base-build.yml
index 6a60d26..dd6368c 100644
--- a/.gitea/workflows/base-build.yml
+++ b/.gitea/workflows/base-build.yml
@@ -186,23 +186,27 @@ jobs:
             mkdir -p "$version"
             infofile="$version/build-info.json"
 
-            digest=$(docker inspect --format='{{index .RepoDigests 0}}' "gitea.fithwum.tech/fithwum/debian-base:$version" || echo "unknown")
+            image="gitea.fithwum.tech/fithwum/debian-base:$version"
+
+            digest=$(docker inspect --format='{{index .RepoDigests 0}}' "$image" || echo "unknown")
+            size=$(docker image inspect "$image" --format='{{.Size}}' || echo "0")
 
             jq -n --arg version "$version" \
                   --arg commit "$(git rev-parse HEAD)" \
                   --arg build_time "$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
-                  --arg image_tag "gitea.fithwum.tech/fithwum/debian-base:$version" \
+                  --arg image_tag "$image" \
                   --arg digest "$digest" \
+                  --argjson size "$size" \
                   '{
                     version: $version,
                     commit: $commit,
                     build_time: $build_time,
                     image_tag: $image_tag,
-                    digest: $digest
+                    digest: $digest,
+                    image_size: $size
                   }' > "$infofile"
           done
 
-
       - name: Commit and push build-info if changed
         run: |
           cd upload-repo