server {
    listen 80;
    server_name localhost;

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml;

    # Frontend (static files)
    location / {
        proxy_pass http://frontend:80/;
        proxy_http_version 1.1;
        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;
    }

    # Backend API
    location /api/ {
        proxy_pass http://backend:3002/api/;
        proxy_http_version 1.1;
        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;
        
        # SSE support for streaming
        proxy_buffering off;
        proxy_cache off;
        proxy_read_timeout 86400s;
    }
}