Django with Postgres on Mac

1. Create virtual env following this post
2. Install django
(my_env) $ pip3 install psycopg2
(my_env) $ pip3 install django
3. Create django project
(my_env) $ django-admin startproject sample_project
(my_env) $ python3 manage.py runserver
4. Install postgres following this post
5. Create database
$ createdb -U postgres testdb
6. Modify settings in django
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'testdb',
        'USER': 'postgres',
        'PASSWORD': '',
        'HOST': 'localhost',
        'PORT': '5432',
    }
}
7. Migrate
$ python3 manage.py migrate
8. Create superuser
$ python3 manage.py createsuperuser