Add empty config field check

analytics/config.py

@@ -16,7 +16,7 @@ def get_config_field(field, default_val = None):
     if field in os.environ:
         return os.environ[field]
 
-    if config_exists and field in config:
+    if config_exists and field in config and config[field] != '':
         return config[field]
 
     if default_val is not None:

server/src/config.ts

@@ -37,7 +37,7 @@ function getConfigField(field: string, defaultVal?: any) {
     }
   }
 
-  if(val === undefined) {
+  if(val === undefined || val == '') {
     throw new Error(`Please configure ${field}`);
   }
   return val;