chore: 提交前后端dockerfile

apps/frontend/Dockerfile

@@ -0,0 +1,25 @@
+FROM node:22-alpine AS builder
+
+RUN npm install -g pnpm
+
+WORKDIR /app
+COPY package*.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+COPY . .
+
+ARG API_BASE
+ENV API_BASE=$API_BASE
+
+RUN pnpm run build
+
+FROM node:22-alpine
+RUN npm install -g pnpm
+WORKDIR /app
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile --prod
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/next.config.js ./
+
+EXPOSE 3000
+CMD ["pnpm", "start"]