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Bash - Install Docker Compose

2 min read

Install Docker Compose

Overview

Sources:

Script for installing Docker Engine and Docker Compose plugin on Ubuntu/Debian systems.

Code

Official Repository Method

#!/usr/bin/env bash
 
# update apt and install dependencies
sudo apt-get update
sudo apt-get install -y ca-certificates curl
 
# setup keyrings directory
sudo install -m 0755 -d /etc/apt/keyrings
 
# add docker official gpg key
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc
 
# add repository to apt sources
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
# update apt with new repository
sudo apt-get update
 
# install docker packages
sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
# verify installation
sudo docker --version
docker compose version

Quick Install (Convenience Script)

# download and run the convenience script
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh

Post-Installation Steps

# add current user to docker group (to run without sudo)
sudo usermod -aG docker $USER
 
# apply new group membership
newgrp docker
 
# verify docker runs without sudo
docker run hello-world

Details

The script installs:

  • docker-ce - Docker Engine (Community Edition)
  • docker-ce-cli - Command line interface
  • containerd.io - Container runtime
  • docker-buildx-plugin - Extended build capabilities
  • docker-compose-plugin - Docker Compose V2

NOTE

Docker Compose V2 is installed as a plugin and invoked with docker compose (space, not hyphen).

Appendix

Note created on 2025-12-23 and last modified on 2025-12-23.

See Also

(c) No Clocks, LLC | 2025

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