add appEnvironmentVariables to jenkinsfile

Jenkinsfile

@@ -11,4 +11,10 @@ List<String> extraRecipients = ['erik.reid@geant.org']
 // python versions (docker tags) to test against, must be explicit versions
 List<String> pythonTestVersions = ['3.11']
 
-SimplePythonBuild(name, extraRecipients, pythonTestVersions)
+// Environment variables you want to pass
+Map<String, String> appEnvironmentVariables = [
+    'USE_ISOLATED_DOCKER_COMPOSE': '1',
+    // add more as needed
+]
+
+SimplePythonBuild(name, extraRecipients, pythonTestVersions, appEnvironmentVariables)