How to Deploy Dokploy on an Ubuntu Server and Create Your First "Hello World" in Node.js

Introduction Dokploy is a self-hosted deployment platform that simplifies containerized application management using Docker Swarm. In this comprehensive tutorial, I'll show you how to install Dokploy on an Ubuntu server , configure security with firewalls, deploy your first Node.js application, and follow production best practices. Diagram created with https://savnet.co What You'll Need Before starting, make sure you have: An Ubuntu 24.04 LTS server (minimum 2 GB RAM for testing) SSH access with configured keys A domain or subdomain (optional but recommended for HTTPS) Basic terminal and Docker knowledge Step 1: Prepare Your Ubuntu Server If you already have an Ubuntu 24.04 LTS server with SSH access, you can skip this step. If you need to create one, follow these recommendations: Choose a cloud or VPS provider that offers Ubuntu 24.04 LTS Select a plan with at least 2 GB of RAM for testing Configure SSH key access instead of password (more secure) Consider enabling backups and monitor