ci: 修复Dockerfile的错误配置

Dockerfile

@@ -3,14 +3,15 @@ FROM node:lts-alpine
 RUN apk add --no-cache tini
 
 ENV NODE_ENV production
-USER node
 
 WORKDIR /app
 
 COPY --chown=node:node . ./
 
-RUN yarn --network-timeout=100000
+RUN corepack enable && pnpm install --frozen-lockfile --network-timeout 100000
 
 EXPOSE 3000
 
+USER node
+
 CMD [ "/sbin/tini", "--", "node", "app.js" ]