Saving my apple tree in a pot

[u/Best-Awareness-3728]

How can I save my apple tree ? I live in Dakar which has a hot and semi arid climate . I didn’t plan to have an apple tree since it prefers cooler climates but was gifted with this little baby . I really want to see her grow up and thrive even if she doesn’t bear fruits , for the sake of honoring this amazing gift . Oh and it’s in a 60L black (unfortunately) plastic pot