fix bugs

.env.prod.example

@@ -20,7 +20,7 @@ NGINX_BASE_IMAGE=nginx:alpine
 PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
 PIP_TRUSTED_HOST=pypi.tuna.tsinghua.edu.cn
 
-# NPM registry mirror (recommended in CN)
+# Frontend package registry mirror (used by yarn, recommended in CN)
 NPM_REGISTRY=https://registry.npmmirror.com
 
 # Optional DB override.

frontend/Dockerfile

@@ -6,9 +6,10 @@ WORKDIR /app
 
 ARG NPM_REGISTRY=https://registry.npmjs.org/
 
-COPY package*.json ./
-RUN npm config set registry "${NPM_REGISTRY}" \
-    && if [ -f package-lock.json ] || [ -f npm-shrinkwrap.json ]; then npm ci; else npm install --no-audit --fund=false; fi
+COPY package.json yarn.lock ./
+RUN corepack enable \
+    && yarn config set registry "${NPM_REGISTRY}" \
+    && yarn install --frozen-lockfile --network-timeout 120000
 
 COPY . .
 
@@ -17,7 +18,7 @@ ARG VITE_WS_BASE=/ws/monitor
 ENV VITE_API_BASE=${VITE_API_BASE}
 ENV VITE_WS_BASE=${VITE_WS_BASE}
 
-RUN npm run build
+RUN yarn build
 
 FROM ${NGINX_BASE_IMAGE}