Just create .env file in folder , where is located settings.py file and add following lines:
SECRET_KEY= # some string secret key for django project
DB_NAME= # your postgresDB name
DB_USER= # your postgresDB username
DB_PASSWORD= # your postgresDB user password
DB_HOST= # your postgresDB host
DB_PORT= # your postgresDB port
EMAIL_HOST_USER= # your smtp hostmail login
EMAIL_HOST_PASSWORD= # your smtp hostmail password
EMAIL_CONSUMER= # email consumer (our itishub mail :) )
Also install all requirement modules from requirements.txt and make all migrations