Website updates

docker/setup-environment.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+JSON_STRING='window.env = { \
+  APP_POSTMAIL_ACCESS_TOKEN: "'"${APP_POSTMAIL_ACCESS_TOKEN}"'", \
+}'
+sed -i "s@<script id=\"environment\"></script>@<script>${JSON_STRING}</script>@" /usr/share/nginx/html/index.html
+exec "$@"