Upgrade dependencies, prepare to use geoipupdate to update data

start.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -euo pipefail
+
+GEOIP=/usr/share/GeoIP/
+
+if [[ ! -z "$GEOIP" ]]; then
+  while [[ ! -e "$GEOIP/GeoLite2-City.mmdb" ]]; do
+    echo waiting for geoip databases
+    sleep 4
+  done
+fi
+
+echo starting geoipapi
+
+exec /bin/geoipapi $@