feat: update Dockerfile

apps/metrics/Dockerfile

@@ -1,5 +1,5 @@
 # download image here: https://docker.aityp.com/image/docker.io/python:3.12-slim
-FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/python:3.12-slim
+FROM python:3.12-slim
 
 # Set working directory
 WORKDIR /app

apps/metrics/common/config/app_settings.py

@@ -23,7 +23,7 @@ class AppSettings(BaseSettings):
 
 
     class Config:
-            env_file = "local.env"
+            env_file = ".env"
 
 
 app_settings = AppSettings()