install curl

Dockerfile

@@ -4,6 +4,10 @@ ENV LANG=C.UTF-8 LC_ALL=C.UTF-8
 ENV TZ=America/Los_Angeles
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl
+
+
 RUN pip3 install --no-cache-dir \
     numpy \
     trimesh \