# 国内默认走镜像；海外可 --build-arg REGISTRY_MIRROR= 直连
ARG REGISTRY_MIRROR=docker.m.daocloud.io/library/
FROM ${REGISTRY_MIRROR}node:20-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci --legacy-peer-deps 2>/dev/null || npm install --legacy-peer-deps
COPY . .
RUN chmod -R +x node_modules/.bin 2>/dev/null || true
RUN npm run build

ARG REGISTRY_MIRROR=docker.m.daocloud.io/library/
FROM ${REGISTRY_MIRROR}nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
# 外层 Nginx 已把 /admin/ 转成 / 转发到本容器，故这里用 location / 提供 SPA（base 为 /admin/ 时静态资源请求为 /assets/...）
RUN echo 'server { listen 80; root /usr/share/nginx/html; location / { try_files $uri $uri/ /index.html; } }' > /etc/nginx/conf.d/default.conf
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]
