fix: use reachable staging base images

deploy/railway-api.Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.cn-hangzhou.aliyuncs.com/library/python:3.12-slim
+FROM m.daocloud.io/docker.io/library/python:3.12-slim
 
 ENV PYTHONUNBUFFERED=1 \
     PIP_NO_CACHE_DIR=1

deploy/railway-web.Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.cn-hangzhou.aliyuncs.com/library/node:22-alpine
+FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/library/node:22-alpine
 
 WORKDIR /app/frontend
 COPY frontend/package.json frontend/package-lock.json ./