# Nginx Configuration for Subdomain: alsakirinai.flyasiaint.com
# Location on server: /etc/nginx/sites-available/alsakirinai.flyasiaint.com

server {
    listen 80;
    server_name alsakirinai.flyasiaint.com;

    # Force HTTPS
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name alsakirinai.flyasiaint.com;

    # SSL Certificates (Let's Encrypt / Certbot)
    ssl_certificate /etc/letsencrypt/live/alsakirinai.flyasiaint.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/alsakirinai.flyasiaint.com/privkey.pem;

    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # Webhook Endpoint (High speed, no buffer)
    location /api/webhook/ {
        proxy_pass http://127.0.0.1:3000;
        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;
        proxy_buffering off;
        proxy_read_timeout 60s;
    }

    # Next.js Application Reverse Proxy
    location / {
        proxy_pass http://127.0.0.1:3000;
        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_read_timeout 120s;
    }

    # Custom Logs
    access_log /var/log/nginx/alsakirinai_access.log;
    error_log /var/log/nginx/alsakirinai_error.log;
}