first commit

replication_service/config.py

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+from pydantic_settings import BaseSettings, SettingsConfigDict
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    """Конфигурация приложения"""
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8")
+    
+    # PostgreSQL Target Connection (назначение для всех репликаций)
+    postgres_host: str
+    postgres_database: str
+    postgres_username: str
+    postgres_password: str
+    postgres_port: int = 5432
+    
+    # Redis for Celery
+    redis_host: str = "localhost"
+    redis_port: int = 6379
+    
+    # Other settings
+    api_key: Optional[str] = None
+
+
+settings = Settings()