worker_processes auto;

events {
    worker_connections 256;
}

http {
    # Round-robin upstream across 3 SearXNG instances
    upstream searxng {
        server didiAI-web-searxng-1:8080;
        server didiAI-web-searxng-2:8080;
        server didiAI-web-searxng-3:8080;
    }

    server {
        listen 8080;

        location / {
            proxy_pass http://searxng;
            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_connect_timeout 10s;
            proxy_read_timeout 30s;
            proxy_next_upstream error timeout http_502 http_503;
            proxy_next_upstream_tries 3;
        }
    }
}