fix: settings revert to postgres engine

django/transcendence/settings.py

@@ -108,8 +108,11 @@ WSGI_APPLICATION = 'transcendence.wsgi.application'
 
 DATABASES = {
     'default': {
-		'ENGINE': 'django.db.backends.sqlite3',
+        'ENGINE': 'django.db.backends.postgresql',
-        'NAME': BASE_DIR / 'db.sqlite3',
+        'HOST': 'django-db',
+        'NAME': os.environ['POSTGRES_DB'],
+        'USER': os.environ['POSTGRES_USER'],
+        'PASSWORD': os.environ['POSTGRES_PASSWORD'],
     }
 }