The ends are framed in. The lumber is pressure treated 2x4 attached with deckmate ceramic coated screws. The vertical end supports are capped with a metal fence bracket.
A side view. The roof is suntuf polycarbonate ruffing panel.
Things are looking up.
Each frame braces two purlins on each side.
A mock up of the additional cross bracing yet to be installed.
This diagonal and horizontal will provide lateral support