Update Dockerfile

Author: freemankevin

Dockerfile

@@ -9,6 +9,7 @@ RUN apt-get update -qq && \
         libgdal-dev \
         gdal-bin \
         libpq5 \
+        libgl1 \
         curl \
         g++ \
         libreoffice \
@@ -34,4 +35,4 @@ WORKDIR /home
 
 # 设置环境变量
 ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1