server {
    listen 80;
    server_name ticket.sweq.mx;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name ticket.sweq.mx;

    ssl_certificate /etc/letsencrypt/live/ticket.sweq.mx/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/ticket.sweq.mx/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # Security headers
    add_header X-Frame-Options "DENY" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Gzip
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml;
    gzip_min_length 1000;

    # Static files served by nginx
    location /_next/static/ {
        alias /var/www/ticket-sweq/.next/static/;
        expires 365d;
        access_log off;
        add_header Cache-Control "public, immutable";
    }

    location /favicon.ico {
        root /var/www/ticket-sweq/public;
        expires 30d;
        access_log off;
    }

    # SSE - disable buffering
    location /api/notifications/stream {
        proxy_pass http://127.0.0.1:3100;
        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_cache off;
        proxy_read_timeout 86400s;
        chunked_transfer_encoding off;
    }

    # All other requests
    location / {
        proxy_pass http://127.0.0.1:3100;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        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_read_timeout 60s;
        proxy_send_timeout 60s;

        # File upload limit
        client_max_body_size 10m;
    }
}