server {
    listen 80;
    server_name localhost;
    
    # Seguridad: Limitar tamaño de subida para prevenir DoS
    client_max_body_size 20M;

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

    # Proxy interno al Backend (Nombre del servicio en docker-compose)
    location /api/ {
        proxy_pass http://motores-backend:8080/api/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        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 para las imágenes servidas por el backend (fotos de vehículos)
    location /uploads/ {
        proxy_pass http://motores-backend:8080/uploads/;
        proxy_set_header Host $host;
    }

    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }
}