diff --git a/backend/.env.example b/backend/.env.example
index fd42e4c..c831f49 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,3 +1,4 @@
 APP_NAME="Temis RiskControl API"
 APP_VERSION="0.1.0"
 DEBUG=false
+DATABASE_URL="postgresql+asyncpg://user:password@localhost:5432/temis"
diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index e11676c..69b5bdc 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -5,6 +5,7 @@ class Settings(BaseSettings):
     app_name: str = "Temis RiskControl API"
     app_version: str = "0.1.0"
     debug: bool = False
+    database_url: str = "sqlite+aiosqlite:///./temis.db"
 
     model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8")
 
diff --git a/backend/app/main.py b/backend/app/main.py
index d300f9f..454287a 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -1,9 +1,27 @@
+from contextlib import asynccontextmanager
+from collections.abc import AsyncGenerator
+
 from fastapi import FastAPI
 
 from app.api.router import api_router
 from app.core.config import settings
+from app.database.base import Base
+from app.database.session import engine
+
+
+@asynccontextmanager
+async def lifespan(application: FastAPI) -> AsyncGenerator[None, None]:
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.create_all)
+    yield
+
 
-app = FastAPI(title=settings.app_name, version=settings.app_version, debug=settings.debug)
+app = FastAPI(
+    title=settings.app_name,
+    version=settings.app_version,
+    debug=settings.debug,
+    lifespan=lifespan,
+)
 app.include_router(api_router)
 
 
diff --git a/backend/requirements.txt b/backend/requirements.txt
index dad5104..4b0bc49 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,3 +1,10 @@
 fastapi==0.115.12
 uvicorn[standard]==0.34.0
 pydantic-settings==2.8.1
+pydantic[email]==2.11.3
+sqlalchemy[asyncio]==2.0.40
+asyncpg==0.30.0
+aiosqlite==0.20.0
+pytest==8.3.5
+pytest-asyncio==0.24.0
+httpx==0.28.1
diff --git a/docs/database-design.pdf b/docs/database-design.pdf
index 47fb84f..5d594c6 100644
Binary files a/docs/database-design.pdf and b/docs/database-design.pdf differ