Merge pull request #2863 from overleaf/ta-2fa-env

Use ENV Vars for 2FA Settings

GitOrigin-RevId: 1b6f943ba5d9b58a2db2d082849a7f142d74a254

services/web/config/settings.defaults.coffee

@@ -239,8 +239,8 @@ module.exports = settings =
 	httpAuthUsers: httpAuthUsers
 
 	twoFactorAuthentication:
-		enabled: false
-		requiredForStaff: false
+		enabled: process.env['TWO_FACTOR_AUTHENTICATION_ENABLED'] == 'true'
+		requiredForStaff: process.env['TWO_FACTOR_AUTHENTICATION_REQUIRED_FOR_STAFF'] == 'true'
 
 	# Default features
 	# ----------------