Install a few packages for debugging

Author: robertlemke

Dockerfile

@@ -27,6 +27,7 @@ RUN install_packages \
     libnginx-mod-http-headers-more-filter \
     ca-certificates \
     procps \
+    netcat vim less curl locales locales-all \
     && rm /etc/nginx/sites-available/default \
     && rm /etc/nginx/sites-enabled/default