nginx.conf

worker_processes auto;

events {
  worker_connections 1024;
}

http {
  include mime.types;
  default_type application/octet-stream;

  sendfile on;
  keepalive_timeout 65;

  gzip on;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

  server {
    listen 80;
    server_name your-domain.com;

    location / {
      proxy_pass http://localhost:3000;
      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;
    }
  }

  server {
    listen 443 ssl;
    server_name your-domain.com;

    ssl_certificate /etc/nginx/certs/your-domain.com.crt;
    ssl_certificate_key /etc/nginx/certs/your-domain.com.key;

    location / {
      proxy_pass http://localhost:3000;
      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;
    }
  }
}