Fixed initial tables creation

back/db.py

@@ -17,5 +17,4 @@ Base = declarative_base()
 # Создаем таблицы
 async def init_models():
     async with engine.begin() as conn:
-        await conn.run_sync(Base.metadata.drop_all)
-        await conn.run_sync(Base.metadata.create_all)
+        await conn.run_sync(Base.metadata.create_all)

back/main.py

@@ -3,6 +3,8 @@ import uvicorn
 
 from .api import app as app_fastapi
 from .scheduler import app as app_rocketry
+from .db import init_models
+
 
 class Server(uvicorn.Server):
     """Customized uvicorn.Server
@@ -16,6 +18,9 @@ class Server(uvicorn.Server):
 
 async def main():
     "Run scheduler and the API"
+
+    await init_models()
+
     server = Server(config=uvicorn.Config(app_fastapi, workers=1, loop="asyncio", host="0.0.0.0"))
 
     api = asyncio.create_task(server.serve())