#!/bin/sh
set -e

if [ ! -z "$HOST" ]; then
  ESCAPED_HOST=$(echo "$HOST" | sed 's/[\/&]/\\&/g')

  find /usr/share/nginx/html -name "*.css" -type f -exec sed -i "s|/static/|${ESCAPED_HOST}/static/|g" {} \;
  find /usr/share/nginx/html -name "*.js" -type f -exec sed -i "s|/static/|${ESCAPED_HOST}/static/|g" {} \;

  echo "Updated static URLs to use HOST: $HOST"
else
  echo "Serving static assets from /static/"
fi

exec nginx -g "daemon off;"