netcat => traditional

Dockerfile

@@ -8,7 +8,7 @@ ENV LC_CTYPE="C.UTF-8"
 
 RUN apt-get update && \
     apt-get install -y libproj-dev gdal-bin nginx gettext && \
-    apt-get install -y --no-install-recommends netcat git && \
+    apt-get install -y --no-install-recommends netcat-traditional git && \
     apt-get clean -y && \
     rm -rf /var/lib/apt/lists/