@config = {
  "use_proxy" => false,
  "proxy_host" => "proxy.plop.orgue",
  "proxy_port" => "666",
  "proxy_user" => nil,
  "proxy_pass" => nil,
  "db_url" => "DBI:Pg:mabase",
  "db_user" => "plop",
  "db_pass" => "pika"
}