set default decrypt_key to env

app.py

@@ -1,3 +1,4 @@
+import os
 import streamlit as st
 import yaml
 import pandas as pd
@@ -27,11 +28,16 @@ def initialize():
     st.session_state.setdefault('search_query', None)
     st.session_state.setdefault('db', None)
     st.session_state.setdefault('results', pd.DataFrame())
-    st.session_state.setdefault('decrypt_key', None)
 
     with open('config.yaml', 'r') as stream:
         st.session_state['config'] = yaml.safe_load(stream)
 
+    if os.environ.get('decrypt_key'):
+        decrypt_key = os.environ.get('decrypt_key')
+        st.session_state.setdefault('decrypt_key', decrypt_key)
+    else:
+        st.session_state.setdefault('decrypt_key', None)
+
 def main():
     st.set_page_config(page_title='Synth-Net')