use setup.py to determine dependencies in Dockerfile instead of egg-info requires.txt

archivebox/config.py

@@ -1075,6 +1075,11 @@ def setup_django(out_dir: Path=None, check_db=False, config: ConfigDict=CONFIG,
             call_command("migrate", interactive=False, verbosity=0)
         else:
             django.setup()
+            
+            # Enable WAL mode in sqlite3
+            from django.db import connection
+            with connection.cursor() as cursor:
+                cursor.execute("PRAGMA journal_mode=wal;")
 
         if check_db:
             sql_index_path = Path(output_dir) / SQL_INDEX_FILENAME

archivebox/core/settings.py

@@ -107,9 +107,6 @@ DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': DATABASE_NAME,
-        'OPTIONS': {
-            'init_command': 'PRAGMA journal_mode=wal;',
-        }
     }
 }