server {
    listen 80;
    server_name localhost;

    location / {
        root /usr/share/nginx/html;
        index index.html index.htm;
        try_files $uri $uri/ /index.html;
    }

    location /api/ {
        proxy_pass http://backend:3004/api/;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        
        # SSE specific settings
        proxy_buffering off;
        proxy_cache off;
        proxy_set_header Connection '';
        chunked_transfer_encoding off;
        proxy_read_timeout 24h;
    }
}