first commit

backend/app/core/config.py

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+from functools import lru_cache
+from pathlib import Path
+from typing import List
+import os
+
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    PROJECT_NAME: str = "Intelligent Planet Plan"
+    VERSION: str = "1.0.0"
+    API_V1_STR: str = "/api/v1"
+    SECRET_KEY: str = "your-secret-key-change-in-production"
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 15
+    REFRESH_TOKEN_EXPIRE_DAYS: int = 7
+
+    POSTGRES_SERVER: str = "localhost"
+    POSTGRES_USER: str = "postgres"
+    POSTGRES_PASSWORD: str = "postgres"
+    POSTGRES_DB: str = "planet_db"
+    DATABASE_URL: str = f"postgresql+asyncpg://postgres:postgres@postgres:5432/planet_db"
+
+    REDIS_SERVER: str = "localhost"
+    REDIS_PORT: int = 6379
+    REDIS_DB: int = 0
+
+    CORS_ORIGINS: List[str] = ["http://localhost:3000", "http://localhost:8000"]
+
+    @property
+    def REDIS_URL(self) -> str:
+        return os.getenv(
+            "REDIS_URL", f"redis://{self.REDIS_SERVER}:{self.REDIS_PORT}/{self.REDIS_DB}"
+        )
+
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    return Settings()
+
+
+settings = get_settings()