removed chroma_db

.gitignore

@@ -1,2 +1,3 @@
 srv_secrets.py
 venv/
+./chroma_db

app.py

@@ -42,7 +42,7 @@ user_sessions = {}
 # init vectorstore embedding
 os.environ["OPENAI_API_KEY"] = srv_secrets.openai_key
 llm = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0)
-vectorstore = Chroma(persist_directory="./chroma_db", embedding_function=OpenAIEmbeddings()) 
+vectorstore = Chroma(persist_directory=srv_secrets.chroma_db_dir, embedding_function=OpenAIEmbeddings()) 
 
 # Setup Logging
 logging.basicConfig()