# 构建 Vue 静态文件
FROM node:22-alpine AS build

WORKDIR /app

# Corepack 与 pnpm 依赖均通过 npmmirror 下载，避免构建时访问 npm 官方源过慢。
ENV COREPACK_NPM_REGISTRY=https://registry.npmmirror.com
ENV NPM_CONFIG_REGISTRY=https://registry.npmmirror.com
RUN corepack enable

COPY package.json pnpm-lock.yaml ./
COPY shared/package.json ./shared/package.json

# package.json 和 lock 文件未变化时，这一层会由 Docker 自动复用。
RUN pnpm config set registry https://registry.npmmirror.com && \
    pnpm install --frozen-lockfile

COPY . .
RUN pnpm build

# 运行阶段仅保留构建产物与 Nginx。
FROM nginx:1.27-alpine

COPY nginx/default.conf.template /etc/nginx/templates/default.conf.template
COPY --from=build /app/dist /usr/share/nginx/html

EXPOSE 80