Add base kubernetes support

services/alert_processor/app/config.py

@@ -13,11 +13,23 @@ class AlertProcessorConfig(BaseServiceSettings):
     APP_NAME: str = "Alert Processor Service"
     DESCRIPTION: str = "Central alert and recommendation processor"
     
-    # Use dedicated database for alert storage
-    DATABASE_URL: str = os.getenv(
-        "ALERT_PROCESSOR_DATABASE_URL",
-        "postgresql+asyncpg://alert_processor_user:alert_processor_pass123@alert-processor-db:5432/alert_processor_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("ALERT_PROCESSOR_DATABASE_URL")
+        if complete_url:
+            return complete_url
+
+        # Build from components (secure approach)
+        user = os.getenv("ALERT_PROCESSOR_DB_USER", "alert_processor_user")
+        password = os.getenv("ALERT_PROCESSOR_DB_PASSWORD", "alert_processor_pass123")
+        host = os.getenv("ALERT_PROCESSOR_DB_HOST", "localhost")
+        port = os.getenv("ALERT_PROCESSOR_DB_PORT", "5432")
+        name = os.getenv("ALERT_PROCESSOR_DB_NAME", "alert_processor_db")
+
+        return f"postgresql+asyncpg://{user}:{password}@{host}:{port}/{name}"
     
     # Use dedicated Redis DB for alert processing
     REDIS_DB: int = int(os.getenv("ALERT_PROCESSOR_REDIS_DB", "6"))