server {
    listen 80;
    server_name localhost;

    # 前端静态文件
    location / {
        root /usr/share/nginx/html;
        index index.html;
        try_files $uri $uri/ =404;
    }

    # 后端API反向代理
    location /api/ {
        proxy_pass http://backend:40001;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        # 使用上游传递的协议，如果没有则使用当前协议
        proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
        proxy_cache_bypass $http_upgrade;
    }

    # 分享链接重定向
    location /s/ {
        proxy_pass http://backend:40001;
        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 $http_x_forwarded_proto;
    }
}