Initial commit: FastAPI app with Loguru, PostgreSQL, and Docker Compose

Made-with: Cursor

app/config.py

@@ -0,0 +1,18 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    """Application configuration loaded from environment / .env."""
+
+    database_url: str = (
+        "postgresql+asyncpg://postgres:postgres@localhost:5432/operation_room"
+    )
+
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+
+settings = Settings()

app/database.py

@@ -0,0 +1,29 @@
+from collections.abc import AsyncGenerator
+
+from sqlalchemy import text
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+
+from app.config import settings
+
+engine = create_async_engine(
+    settings.database_url,
+    pool_pre_ping=True,
+)
+
+AsyncSessionLocal = async_sessionmaker(
+    engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+    autoflush=False,
+    autobegin=False,
+)
+
+
+async def get_db() -> AsyncGenerator[AsyncSession, None]:
+    async with AsyncSessionLocal() as session:
+        yield session
+
+
+async def check_database() -> None:
+    async with engine.connect() as conn:
+        await conn.execute(text("SELECT 1"))