Update Dockerfile

Dockerfile

@@ -11,6 +11,8 @@ RUN set -ex \
     mkdocs-macros-plugin==0.6.0 \
     mkdocs-mermaid2-plugin==0.5.2 \
     mkdocstrings==0.16.2 \
+    cachetools \
+    atomicl \
     && apk del .build-deps
 
 WORKDIR /docs