Add Doris Schoolhouse and clean pending homelab changes

home/doris-schoolhouse/app/scripts/apply_schema.py

@@ -0,0 +1,31 @@
+import os
+import sys
+from pathlib import Path
+
+
+def main() -> int:
+    schema_path = Path(__file__).resolve().parent.parent / 'db' / 'schema.sql'
+    if not schema_path.exists():
+        print(f'missing schema file: {schema_path}', file=sys.stderr)
+        return 1
+    dsn = os.getenv('DATABASE_URL', '')
+    if not dsn:
+        print('DATABASE_URL is not set', file=sys.stderr)
+        return 1
+    try:
+        import psycopg
+    except Exception:
+        print('psycopg is not installed; cannot apply schema directly', file=sys.stderr)
+        return 1
+    dsn = dsn.replace('postgresql+psycopg://', 'postgresql://')
+    sql = schema_path.read_text()
+    with psycopg.connect(dsn) as conn:
+        with conn.cursor() as cur:
+            cur.execute(sql)
+        conn.commit()
+    print(f'Applied schema from {schema_path}')
+    return 0
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())