how to prevent light leaks

i recently converted a set of draws into a grow box. but the thing i am having trouble with is light leaks on the sides and a bit at the top. i have tried putting black tape and cardboard their but in between the cracks but it doesnt work the door just ends up pushing it away and screwing it up. does anyone have any ideas of how i can get rid of
these light leaks? thanks in advance for any help i have put a picture to show you thanks.

weatherstipping

i didnt think of that one, cheers

weather stripping, duct tape, and i took an old midnight blue window curtian set, and mounted the drapes to the dresser and when i close the door i put the drapes/curtains over the front and it helps block all the light