添加API密钥管理、模型服务和安全服务，并优化FastAPI应用程序配置

app/services/embedding_service.py

@@ -0,0 +1,22 @@
+import logging
+import openai
+from typing import Union, List, Dict, Any
+
+logger = logging.getLogger(__name__)
+
+
+class EmbeddingService:
+    def __init__(self, base_url: str):
+        self.base_url = base_url
+
+    async def create_embedding(
+        self, input_text: Union[str, List[str]], model: str, api_key: str
+    ) -> Dict[str, Any]:
+        """Create embeddings using OpenAI API"""
+        try:
+            client = openai.OpenAI(api_key=api_key, base_url=self.base_url)
+            response = client.embeddings.create(input=input_text, model=model)
+            return response
+        except Exception as e:
+            logger.error(f"Error creating embedding: {str(e)}")
+            raise