django.core.exceptions.improperlyconfigur: a configuração secret_key não deve estar vazia
# add SECRET_KEY from terminal (secret_key is collected from django -->settings.py file)
$ export SECRET_KEY='lmrffsgfhrilklg-za7#57vi!zr)ps8)2anyona25###dl)s-#s=7=vn_'
#settings.py
import os
SECRET_KEY = os.environ['SECRET_KEY']
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