feat: 添加 Dockerfile、docker-compose 及 K8s kustomize 部署文件

frontend/Dockerfile

@@ -0,0 +1,32 @@
+# ===== Stage 1: Build =====
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+# Install pnpm
+RUN corepack enable && corepack prepare pnpm@10 --activate
+
+# Copy package manifests
+COPY frontend/package.json frontend/pnpm-lock.yaml ./
+
+# Install deps
+RUN pnpm install --frozen-lockfile
+
+# Copy source
+COPY frontend/ ./
+
+# Build
+RUN pnpm build
+
+# ===== Stage 2: Serve with nginx =====
+FROM nginx:alpine
+
+# Copy built assets
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy nginx config
+COPY frontend/nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]