#!/bin/sh
set -eu

backend_base_url=${BACKEND_BASE_URL:-/api}
escaped_backend_base_url=$(printf '%s' "$backend_base_url" | sed 's/[&|\\]/\\&/g')
sed "s|__BACKEND_BASE_URL__|${escaped_backend_base_url}|g" \
  /usr/share/nginx/html/config.template.js > /usr/share/nginx/html/config.js

exec nginx -g 'daemon off;'