-DATABASE_ENGINE = 'postgresql_psycopg2' # 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
-DATABASE_NAME = 'patchwork' # Or path to database file if using sqlite3.
-DATABASE_USER = '' # Not used with sqlite3.
-DATABASE_PASSWORD = '' # Not used with sqlite3.
-DATABASE_HOST = '' # Set to empty string for localhost. Not used with sqlite3.
-DATABASE_PORT = '' # Set to empty string for default. Not used with sqlite3.