Tune SQLite settings for using SQLite in production for small sites

See: https://fractaledmind.github.io/2023/09/07/enhancing-rails-sqlite-fine-tuning/

.gitignore

@@ -114,3 +114,5 @@ node_modules
 .vscode
 package-lock.json
 yarn.lock
+/db.sqlite3-*
+

brutaldon/__init__.py

@@ -0,0 +1,13 @@
+from django.db.backends.signals import connection_created
+def configure_sqlite_web_settings(sender, connection, **kwargs):
+    """Configure sqlite for web application use."""
+    if connection.vendor == 'sqlite':
+        cursor = connection.cursor()
+        cursor.execute('PRAGMA journal_mode = WAL;')
+        cursor.execute('PRAGMA synchronous = NORMAL;')
+        cursor.execute('PRAGMA journal_size_limit = 67108864; -- 64 megabytes')
+        cursor.execute('PRAGMA mmap_size = 134217728; -- 128 megabytes')
+        cursor.execute('PRAGMA cache_size = 2000; -- 2000 pages')
+        cursor.execute('PRAGMA busy_timeout = 5000;')
+
+connection_created.connect(configure_sqlite_web_settings)