refactor: extract vdb configs into pydantic-setting based dify configs (#5426)

api/configs/middleware/vdb/relyt_configs.py

@@ -0,0 +1,34 @@
+from typing import Optional
+
+from pydantic import BaseModel, Field, PositiveInt
+
+
+class RelytConfigs(BaseModel):
+    """
+    Relyt configs
+    """
+
+    RELYT_HOST: Optional[str] = Field(
+        description='Relyt host',
+        default=None,
+    )
+
+    RELYT_PORT: PositiveInt = Field(
+        description='Relyt port',
+        default=9200,
+    )
+
+    RELYT_USER: Optional[str] = Field(
+        description='Relyt user',
+        default=None,
+    )
+
+    RELYT_PASSWORD: Optional[str] = Field(
+        description='Relyt password',
+        default=None,
+    )
+
+    RELYT_DATABASE: Optional[str] = Field(
+        description='Relyt database',
+        default='default',
+    )