feat: dockernize webapp and server packages

docker/nginx/scripts/build-nginx.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+for conf in /etc/nginx/templates/*.conf; do
+  mv $conf "/etc/nginx/sites-available/"$(basename $conf) > /dev/null
+done
+
+for template in /etc/nginx/templates/*.template; do
+  envsubst < $template > "/etc/nginx/sites-available/"$(basename $template)".conf"
+done