Update app.py

app.py

@@ -18,13 +18,15 @@ nltk.download('punkt')
 with st.sidebar:
     st.title(':orange_book: BinDoc GmbH')
     
-    # API key input
-    api_key = st.text_input('Enter your OpenAI API Key:', type='password')
-    
-    if api_key:
-        os.environ['OPENAI_API_KEY'] = api_key
-    else:
+    # Securely store the API key
+    st.secret("OPENAI_API_KEY")
+
+    # Retrieve the API key from st.secrets
+    api_key = st.secrets.get("OPENAI_API_KEY")
+
+    if not api_key:
         st.warning('API key is required to proceed.')
+        st.stop()  # Stop the app if the API key is not provided
 
     st.markdown("Experience the future of document interaction with the revolutionary")
     st.markdown("**BinDocs Chat App**.")