Add base kubernetes support

services/recipes/app/core/config.py

@@ -17,11 +17,23 @@ class Settings:
     # API settings
     API_V1_PREFIX: str = "/api/v1"
     
-    # Override DATABASE_URL for recipes service
-    DATABASE_URL: str = os.getenv(
-        "RECIPES_DATABASE_URL",
-        "postgresql://recipes_user:recipes_pass@localhost:5432/recipes_db"
-    )
+    # Database configuration (secure approach - build from components)
+    @property
+    def DATABASE_URL(self) -> str:
+        """Build database URL from secure components"""
+        # Try complete URL first (for backward compatibility)
+        complete_url = os.getenv("RECIPES_DATABASE_URL")
+        if complete_url:
+            return complete_url
+
+        # Build from components (secure approach)
+        user = os.getenv("RECIPES_DB_USER", "recipes_user")
+        password = os.getenv("RECIPES_DB_PASSWORD", "recipes_pass123")
+        host = os.getenv("RECIPES_DB_HOST", "localhost")
+        port = os.getenv("RECIPES_DB_PORT", "5432")
+        name = os.getenv("RECIPES_DB_NAME", "recipes_db")
+
+        return f"postgresql+asyncpg://{user}:{password}@{host}:{port}/{name}"
     
     # Redis (if needed for caching)
     REDIS_URL: str = os.getenv("REDIS_URL", "redis://localhost:6379/0")