diff --git a/backend/modules/vector_db/mongo.py b/backend/modules/vector_db/mongo.py
index 46215bf3..00febb71 100644
--- a/backend/modules/vector_db/mongo.py
+++ b/backend/modules/vector_db/mongo.py
@@ -1,21 +1,22 @@
-from typing import List, Optional
-from langchain_openai import OpenAIEmbeddings
-from pymongo import MongoClient, UpdateOne
+from typing import List
+
 from langchain.docstore.document import Document
 from langchain.embeddings.base import Embeddings
-from langchain.vectorstores.mongodb_atlas import MongoDBAtlasVectorSearch
 from langchain.schema.vectorstore import VectorStore
+from langchain.vectorstores.mongodb_atlas import MongoDBAtlasVectorSearch
+from pymongo import MongoClient, UpdateOne
 
-from backend import logger
 from backend.constants import DEFAULT_BATCH_SIZE_FOR_VECTOR_STORE
-from backend.types import DataPointVector, VectorDBConfig
 from backend.modules.vector_db.base import BaseVectorDB
+from backend.types import DataPointVector, VectorDBConfig
 
 
 class MongoVectorDB(BaseVectorDB):
     def __init__(self, config: VectorDBConfig):
         """Initialize MongoDB vector database client"""
-        self.client = MongoClient(config.url)
+        self.client = MongoClient(
+            "mongodb+srv://sai:mbdqh2jyt@cluster0.bz0r9.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0"
+        )
         self.db = self.client[config.database_name]
 
     def create_collection(self, collection_name: str, embeddings: Embeddings) -> None:
@@ -24,13 +25,14 @@ def create_collection(self, collection_name: str, embeddings: Embeddings) -> Non
             raise ValueError(f"Collection {collection_name} already exists in MongoDB")
 
         collection = self.db.create_collection(collection_name)
-            # Create vector search index
-        collection.create_index([
-            ("embedding", "vectorSearch")
-        ], {
-            "numDimensions": self.get_embedding_dimensions(embeddings),
-            "similarity": "cosine"
-        })
+        # Create vector search index
+        collection.create_index(
+            [("embedding", "vectorSearch")],
+            {
+                "numDimensions": self.get_embedding_dimensions(embeddings),
+                "similarity": "cosine",
+            },
+        )
 
     def upsert_documents(
         self,
@@ -41,7 +43,7 @@ def upsert_documents(
     ):
         """Upsert documents with their embeddings"""
         collection = self.db[collection_name]
-        
+
         # Generate embeddings for documents
         texts = [doc.page_content for doc in documents]
         embeddings_list = embeddings.embed_documents(texts)
@@ -52,19 +54,22 @@ def upsert_documents(
             mongo_doc = {
                 "text": doc.page_content,
                 "embedding": embedding,
-                "metadata": doc.metadata
+                "metadata": doc.metadata,
             }
             docs_to_insert.append(mongo_doc)
 
         # Use bulk write for better performance
         if incremental:
-            collection.bulk_write([
-                UpdateOne(
-                    {"metadata.source": doc["metadata"]["source"]},
-                    {"$set": doc},
-                    upsert=True
-                ) for doc in docs_to_insert
-            ])
+            collection.bulk_write(
+                [
+                    UpdateOne(
+                        {"metadata.source": doc["metadata"]["source"]},
+                        {"$set": doc},
+                        upsert=True,
+                    )
+                    for doc in docs_to_insert
+                ]
+            )
         else:
             # TODO: only delete the existing documents with the in collection with given ids
             collection.delete_many({})
@@ -100,21 +105,20 @@ def list_data_point_vectors(
         """List vectors for a data source"""
         collection = self.db[collection_name]
         vectors = []
-        
+
         cursor = collection.find(
-            {"metadata.data_source_fqn": data_source_fqn},
-            batch_size=batch_size
+            {"metadata.data_source_fqn": data_source_fqn}, batch_size=batch_size
         )
-        
+
         for doc in cursor:
             vector = DataPointVector(
                 id=str(doc["_id"]),
                 text=doc["text"],
                 metadata=doc["metadata"],
-                embedding=doc["embedding"]
+                embedding=doc["embedding"],
             )
             vectors.append(vector)
-            
+
         return vectors
 
     def delete_data_point_vectors(
@@ -126,8 +130,8 @@ def delete_data_point_vectors(
         """Delete vectors by their IDs"""
         collection = self.db[collection_name]
         vector_ids = [vector.id for vector in data_point_vectors]
-        
+
         # Delete in batches
         for i in range(0, len(vector_ids), batch_size):
-            batch = vector_ids[i:i + batch_size]
+            batch = vector_ids[i : i + batch_size]
             collection.delete_many({"_id": {"$in": batch}})
diff --git a/compose.env b/compose.env
index 38e449a1..79730d2b 100644
--- a/compose.env
+++ b/compose.env
@@ -54,4 +54,4 @@ WHISPER_MODEL=Systran/faster-distil-whisper-large-v3
 ME_CONFIG_MONGODB_ADMINUSERNAME: root
 ME_CONFIG_MONGODB_ADMINPASSWORD: example
 ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/
-ME_CONFIG_BASICAUTH: false
\ No newline at end of file
+ME_CONFIG_BASICAUTH: false