Remove Database settings of django using bash script

I am trying to create a bash script to create a boilerplate django project that suits for my company. I need to delete the DATABASES in settings and append new one. The DATABASES is a python dictionary with structure

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}

For this I tried something like this

sed -i -e "/DATABASES = {/,/}/d" settings.py

But it resulted in a trailing }.

The output is

}

I understood that the pattern it matches is for the first curly braces but not the second. What should be the approach for this.

#django #linux #bash