Refactor code structure for improved readability and maintainability

services/bff/app/core.py

@@ -0,0 +1,30 @@
+from functools import lru_cache
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    database_url: str = "postgresql+psycopg://train_watcher:train_watcher@localhost:5432/train_watcher"
+    logic_base_url: str = "http://localhost:8002"
+    service_token: str = "dev-service-token-change-me"
+    jwt_secret: str = "dev-jwt-secret-change-me"
+    jwt_algorithm: str = "HS256"
+    access_token_ttl_minutes: int = 60 * 24
+
+    s3_endpoint_url: str = "http://localhost:9000"
+    s3_public_base_url: str = "http://localhost:9000"
+    s3_access_key_id: str = "minioadmin"
+    s3_secret_access_key: str = "minioadmin"
+    s3_bucket: str = "train-watcher-media"
+    s3_region: str = "us-east-1"
+    max_upload_bytes: int = 5 * 1024 * 1024
+
+    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()
+
+
+settings = get_settings()