add auto migrations

backend/src/app/infra/database.py

@@ -54,3 +54,28 @@ async def init_db() -> None:
     """Initialize database tables."""
     async with engine.begin() as conn:
         await conn.run_sync(Base.metadata.create_all)
+
+
+def run_migrations() -> None:
+    """Run Alembic migrations."""
+    from pathlib import Path
+
+    from alembic import command
+    from alembic.config import Config
+    from loguru import logger
+
+    # Find alembic.ini (works in both dev and Docker)
+    alembic_ini_path = Path(__file__).parent.parent.parent.parent / "alembic.ini"
+
+    if not alembic_ini_path.exists():
+        logger.warning(f"alembic.ini not found at {alembic_ini_path}, skipping migrations")
+        return
+
+    # Create Alembic config
+    alembic_cfg = Config(str(alembic_ini_path))
+    alembic_cfg.set_main_option("sqlalchemy.url", settings.database_url)
+
+    # Run migrations
+    logger.info("Running Alembic migrations...")
+    command.upgrade(alembic_cfg, "head")
+    logger.info("Migrations completed successfully")

backend/src/app/main.py

@@ -7,7 +7,7 @@ from fastapi.middleware.cors import CORSMiddleware
 
 from app.api.v1 import assets, auth, batch, folders, shares, uploads
 from app.infra.config import get_settings
-from app.infra.database import init_db
+from app.infra.database import init_db, run_migrations
 
 settings = get_settings()
 
@@ -15,7 +15,8 @@ settings = get_settings()
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     """Application lifespan handler."""
-    # Startup
+    # Startup: Run migrations first
+    run_migrations()
     await init_db()
     yield
     # Shutdown