# ── Stage 1: Build ──────────────────────────────────────────────────────────
FROM node:24-alpine AS build

WORKDIR /app

# build context 为仓库根；先复制 lock 文件，充分利用层缓存
COPY admin-xy/web/package.json admin-xy/web/package-lock.json ./
RUN npm ci --no-audit --no-fund

# 复制前端源码并构建
# vite 自身的 transform 流水线不依赖 tsc 解析，类型检查由本地开发阶段保障。
COPY admin-xy/web/ .
RUN npx vite build

# ── Stage 2: Runtime ─────────────────────────────────────────────────────────
FROM nginx:stable-alpine AS runtime

# 移除默认配置，写入自定义配置
RUN rm /etc/nginx/conf.d/default.conf

COPY --from=build /app/dist /usr/share/nginx/html

# nginx 配置：SPA fallback + 反代 /api 到后端
RUN cat > /etc/nginx/conf.d/admin-xy.conf <<'EOF'
server {
    listen 9001;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # SPA fallback：所有非文件请求都返回 index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # 反代 /api 到后端服务
    location /api/ {
        proxy_pass http://server:9010/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # 静态资源缓存
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?)$ {
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }
}
EOF

EXPOSE 9001

CMD ["nginx", "-g", "daemon off;"]