config location from env

pub1c-rest.py

@@ -155,14 +155,18 @@ url_req_parser = reqparse.RequestParser()
 url_req_parser.add_argument('url', type=str, required=True)
 
 
-def load_config(filename: str = 'config.yml'):
+def load_config(filename: str):
     with open(filename, 'r', encoding='utf-8') as cfg_file:
         return yaml.safe_load(cfg_file)
 
 
+def config_location() -> str:
+    return os.getenv('WEBPUB1C_CONFIG', 'config.yml')
+
+
 def get_config():
     if 'config' not in g:
-        g.config = load_config()
+        g.config = load_config(config_location())
 
     return g.config