If both bits will be supported by the brackets, and the two surfaces to be glued will have decent, flat contact with each other, then glue will be more than enough. Biscuits/dowels/dominos would be overkill IMO and difficult to get right if it's your first attempt.
If both bits will be supported by the brackets, and the two surfaces to be glued will have decent, flat contact with each other, then glue will be more than enough. Biscuits/dowels/dominos would be overkill IMO and difficult to get right if it's your first attempt.