Add DB_OPTIONS to enable DBs with SSL

recipes/settings.py

@@ -175,6 +175,7 @@ WSGI_APPLICATION = 'recipes.wsgi.application'
 DATABASES = {
     'default': {
         'ENGINE': os.getenv('DB_ENGINE') if os.getenv('DB_ENGINE') else 'django.db.backends.sqlite3',
+        'OPTIONS': os.getenv('DB_OPTIONS') if os.getenv('DB_OPTIONS') else [],
         'HOST': os.getenv('POSTGRES_HOST'),
         'PORT': os.getenv('POSTGRES_PORT'),
         'USER': os.getenv('POSTGRES_USER'),