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Setting Up a DigitalOcean Droplet with Docker and Multiple Stacks

2024-09-30

https://www.youtube.com/watch?v=sc1v1weKETk

### Learning Approach for Setting Up a DigitalOcean Droplet with Ubuntu, Docker, and Hosting Multiple Applications

To successfully set up a DigitalOcean droplet and host multiple applications using different stacks like LAMP, Python, and Node, you can follow the structured learning path below. The focus will be on configuring Ubuntu, Docker, NGINX server blocks, and deploying apps under different domains.

1. Setting Up the DigitalOcean Droplet with Ubuntu

  • Create a Droplet: Start by creating a DigitalOcean droplet running Ubuntu. Here’s a quickstart guide on how to do that.
  • Initial Server Setup: After launching your droplet, it is essential to set up the basics: creating a non-root user, enabling a firewall, and configuring SSH access. This tutorial will guide you: Initial Ubuntu Setup.
  • Secure Access: Set up secure SSH key authentication by following this SSH guide.

2. Installing and Configuring Docker

  • Install Docker: Install Docker and Docker Compose on your Ubuntu droplet to manage containers easily. This tutorial on Docker installation is a great start.
  • Dockerize Applications: Once Docker is set up, you can containerize each stack. Learn how to do this through Dockerizing multiple WordPress applications, which can also apply to other stacks like LAMP, Python, and Node.
  • Video Tutorial for Docker Setup: You can also watch this YouTube tutorial for a visual walkthrough on setting up Docker on a DigitalOcean droplet.

3. Setting Up NGINX and Server Blocks

  • Install NGINX: NGINX will be your web server for managing multiple domain names. Install NGINX and follow this guide to configure NGINX Server Blocks for each domain.
  • Configure SSL and HTTPS: For added security, enable SSL certificates for each domain using Let's Encrypt.

4. Hosting Multiple Applications

  • Hosting Multiple Laravel Projects: For Laravel apps, this article walks you through hosting multiple projects on a single droplet.
  • Hosting Other Stacks (Python/Node.js): Create Docker containers for your Python (Flask/Django) or Node.js apps, and connect them with their respective domains using NGINX as a reverse proxy.

5. Monitoring and Scaling

  • Monitor Droplet Performance: Keep an eye on your droplet's performance using DigitalOcean's built-in monitoring features. Here's a guide on monitoring.
  • Scale Your Applications: If necessary, resize your droplet for better performance by following this scaling tutorial.

By following this structured approach, you will learn how to set up a robust infrastructure for hosting multiple applications using different stacks on DigitalOcean. This will not only help you manage different environments but also scale as needed.

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