Ubuntu: Install Docker
Docker allows you to package applications into containers for portability and scalability. This guide explains how to install Docker on Ubuntu.
Step 1: Update Package Lists
sudo apt update
Step 2: Install Docker
sudo apt install docker.io -y
Step 3: Enable and Start Docker
sudo systemctl enable docker
sudo systemctl start docker
Step 4: Verify Installation
docker --version
Best Practices
- Run Docker as non-root users by adding them to the docker group
- Use Docker Compose for multi-container applications
- Regularly update Docker to patch vulnerabilities
