Basic authentication middleware

Wiki on the topic

Example:

defmodule MyClient do
  use Tesla

  def client(username, password, opts \ %{}) do
    Tesla.build_client [
      {Tesla.Middleware.BasicAuth, Map.merge(%{username: username, password: password}, opts)}
    ]
  end
end

Options:

• :username - username (defaults to "")
• :password - password (defaults to "")