update getting secrets

app.py

@@ -2,17 +2,32 @@ import gspread
 from oauth2client.service_account import ServiceAccountCredentials
 import streamlit as st
 import re
-
+import json
+import os
 
 # Page Configuration
 st.set_page_config(page_title="FurOmics", page_icon="🐾", layout="centered")
 
+def get_google_keys():
+    google_secrets = st.secrets["google"]
+    if google_secrets is None:
+        google_secrets = os.getenv("google", None)
+    if isinstance(google_secrets, str):
+        google_secrets = json.loads(google_secrets)
+
+    if google_secrets is None:
+        raise Exception("google api keys could not be initialized")
+
+    return google_secrets
+
 # Function to add email to Google Sheets
 def add_email_to_sheet(email):
+    google_secrets = get_google_keys()
+    
     try:
         # Set up Google Sheets API client
         scopes = ["https://spreadsheets.google.com/feeds", "https://www.googleapis.com/auth/drive"]
-        creds = ServiceAccountCredentials.from_json_keyfile_dict(st.secrets["google"], scopes)
+        creds = ServiceAccountCredentials.from_json_keyfile_dict(google_secrets, scopes)
         client = gspread.authorize(creds)
 
         # Open the sheet and append the email
@@ -42,7 +57,7 @@ st.subheader("COMING SOON!")
 st.header("Join Our Waitlist")
 email = st.text_input("Enter your email to stay updated:")
 if st.button("Join Waitlist"):
-    if email and re.match(r"^[a-z0-9]+@[^@]+\.[a-z]+$", email):
+    if email and re.match(r"^[a-z0-9_-]+@[^@]+\.[a-z]+$", email):
         success = add_email_to_sheet(email)
         if success:
             st.success("Thank you for joining the waitlist!")