server {
    listen 80;
    server_name localhost;

    # Serve static files
    root /usr/share/nginx/html;
    index index.html;

    # API proxy
    location /api/ {
        proxy_pass http://api:8000/api/;
        proxy_http_version 1.1;
        # LLM 多专家预测/回测耗时长(可达数分钟),默认 60s 会掐断请求返回 504
        proxy_connect_timeout 10s;
        proxy_send_timeout 60s;
        proxy_read_timeout 300s;
        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;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;
    }

    # Health check proxy
    location /health {
        proxy_pass http://api:8000/health;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
    }

    # SPA routing - serve index.html for all routes
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_min_length 1000;
}