Installing the official Docker Engine (docker-ce) on Ubuntu Linux ensures access to the latest container runtime security updates and Docker Compose V2 plugin.

Official Docker Engine Installation Script

Terminal Installation Commandsbash
# 1. Update apt package index & install prerequisites
sudo apt update
sudo apt install -y ca-certificates curl gnupg
 
# 2. Add official Docker GPG key
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
 
# 3. Add official Docker apt repository
echo   "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu   $(. /etc/os-release && echo "$VERSION_CODENAME") stable" |   sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
# 4. Install Docker Engine, CLI, Containerd, and Compose plugin
sudo apt update
sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
# 5. Allow current non-root user to run docker commands
sudo usermod -aG docker $USER