perf: dockerfile proxy (#3067)

projects/app/Dockerfile

@@ -6,8 +6,6 @@ ARG proxy
 
 RUN [ -z "$proxy" ] || sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
 RUN apk add --no-cache libc6-compat && npm install -g pnpm@9.4.0
-# if proxy exists, set proxy
-RUN [ -z "$proxy" ] || pnpm config set registry https://registry.npmmirror.com
 
 # copy packages and one project
 COPY pnpm-lock.yaml pnpm-workspace.yaml .npmrc ./
@@ -16,7 +14,12 @@ COPY ./projects/app/package.json ./projects/app/package.json
 
 RUN [ -f pnpm-lock.yaml ] || (echo "Lockfile not found." && exit 1)
 
-RUN pnpm i
+# if proxy exists, set proxy
+RUN if [ -z "$proxy" ]; then \
+        pnpm i; \
+    else \
+        pnpm i --registry=https://registry.npmmirror.com; \
+    fi
 
 # --------- builder -----------
 FROM node:20.14.0-alpine AS builder