Install and Integrating postgre SQL with Django

$ sudo apt-get install postgresql postgresql-contrib
$ sudo apt-get install libpq-dev
$ pip install -U psycopg2

$ sudo -u postgres createuser -s <username>
$ createdb -U <username> --locale=en_US.utf-8 -E utf-8 -O <username> <dbname> -T template0

#settings.py
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': 'dbname',
        'USER': 'username',
        'PASSWORD': 'password',
        'HOST': 'localhost',
        'PORT': '5432',
}