Generador de configuración nginx

server {
    listen 80;
    server_name devutilities.app;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    server_name devutilities.app;

    client_max_body_size 25M;
    # SSL/TLS Certificates
    ssl_certificate /etc/letsencrypt/live/devutilities.app/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/devutilities.app/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 "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    # Compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml+rss text/javascript;
    gzip_min_length 1000;
    location / {
        proxy_pass http://localhost: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;
        # WebSocket proxying
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400s;
        proxy_send_timeout 86400s;
    }
}