server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    # gzip 压缩
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript image/svg+xml;
    gzip_min_length 1024;

    # 后端 API — 匹配已知接口路径前缀
    # 新项目通过 init-project-repos.sh 会将 /test/ 替换为 /项目前缀/
    location ~ ^/test/(sys|oauth2|jmreport|online|generic|drag|actuator|ws|websocket)/ {
        proxy_pass ${BACKEND_PROXY};
        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;
        proxy_connect_timeout 30s;
        proxy_read_timeout 120s;

        # WebSocket 支持
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # 前端 SPA — 所有非 API 非文件请求回退到 index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # 静态资源长期缓存（Vite 生成的带 hash 文件）
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}