# Configuración Nginx para mirrors.mx-os.mx como terminador TLS y proxy hacia Kubo
server {
    listen 80;
    listen [::]:80;
    server_name mirrors.mx-os.mx;

    # Redirección forzada hacia HTTPS
    return 301 https://$host$request_uri;
}

server {
    http2 on;
    listen 443 ssl;
    listen [::]:443 ssl;
    server_name mirrors.mx-os.mx;

    # Certificados SSL Let's Encrypt
    ssl_certificate /etc/letsencrypt/live/mirrors.mx-os.mx/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/mirrors.mx-os.mx/privkey.pem;

    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

    # Encabezados de seguridad
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    # Proxy inverso transparente hacia el gateway de Kubo
    location / {
        proxy_pass http://127.0.0.1:8080/ipns/mirrors.mx-os.mx/;
        proxy_set_header Host 127.0.0.1:8080;
        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;

        # Deshabilitar buffering para flujo ágil de paquetes y artefactos de gran tamaño
        proxy_buffering off;
        proxy_read_timeout 300s;
        proxy_connect_timeout 10s;
    }
}