A kind of initial commit

app/config.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from functools import lru_cache
+from pydantic import Field
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")
+
+    app_env: str = "dev"
+    app_base_url: str = "http://localhost:8000"
+    app_timezone: str = "UTC"
+    app_internal_url: str = "http://app:8000"
+    app_port: int = 8000
+
+    telegram_bot_token: str
+
+    spotify_client_id: str
+    spotify_client_secret: str
+    spotify_redirect_uri: str
+    spotify_default_market: str = "US"
+
+    lastfm_api_key: str | None = None
+
+    internal_job_token: str
+    db_path: str = "/data/app.db"
+
+    default_playlist_size: int = 30
+    min_new_ratio: float = Field(default=0.8, ge=0.0, le=1.0)
+    recent_days_window: int = 5
+    playlist_visibility: str = "private"
+
+    @property
+    def database_url(self) -> str:
+        return f"sqlite+aiosqlite:///{self.db_path}"
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()