changing host for github to work

app.py

@@ -57,7 +57,12 @@ def admin_required(f):
 # GitHub OAuth Configuration
 GITHUB_CLIENT_ID = os.environ.get('GITHUB_CLIENT_ID')
 GITHUB_CLIENT_SECRET = os.environ.get('GITHUB_CLIENT_SECRET')
-GITHUB_REDIRECT_URI = os.environ.get('GITHUB_OAUTH_BACKEND_REDIRECT', 'http://127.0.0.1:5000/auth/github/callback')
+# Auto-detect the correct callback URL based on environment
+SPACE_HOST = os.environ.get('SPACE_HOST')
+if SPACE_HOST:
+    GITHUB_REDIRECT_URI = f'https://{SPACE_HOST}/api/auth/github/callback'
+else:
+    GITHUB_REDIRECT_URI = os.environ.get('GITHUB_OAUTH_BACKEND_REDIRECT', 'http://127.0.0.1:5000/auth/github/callback')
 
 # GitHub OAuth Functions
 def generate_github_auth_url():