forked from spinesystemspublic/documentation
90 lines
2.8 KiB
Bash
90 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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set -e
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# Ensure script is run as root
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run with sudo or as root."
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exit 1
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fi
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# 1) Remove any old Docker and Docker Compose packages
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echo "Removing old Docker packages..."
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set +e
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apt-get remove -y \
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docker docker-engine docker.io docker-ce docker-ce-cli \
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containerd runc \
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docker-compose
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set -e
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# Note: The above command may fail if Docker is not installed, which is fine.
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# The script will continue to install the latest version.
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# 2) Update package index
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echo "Updating APT package index..."
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apt-get update -y
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# 3) Install prerequisite packages
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echo "Installing prerequisites..."
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apt-get install -y \
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ca-certificates \
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curl \
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gnupg \
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lsb-release
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# 4) Add Docker’s official GPG key
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echo "Adding Docker’s GPG key..."
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install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
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| gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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chmod a+r /etc/apt/keyrings/docker.gpg
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# ubuntu or debian?
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KIND=$(lsb_release -is | tr '[:upper:]' '[:lower:]')
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if [[ "$KIND" != "ubuntu" && "$KIND" != "debian" ]]; then
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echo "This script is intended for Ubuntu or Debian systems only."
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exit 1
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fi
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# 5) Set up the Docker APT repository
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echo \
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"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
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https://download.docker.com/linux/$KIND \
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$(lsb_release -cs) stable" \
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| tee /etc/apt/sources.list.d/docker.list > /dev/null
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# 6) Update the package index again
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echo "Updating APT package index with Docker repo..."
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apt-get update -y
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# 7) Install the latest Docker Engine, CLI, containerd, and Compose plugin
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echo "Installing Docker Engine, CLI, containerd, and Docker Compose plugin..."
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apt-get install -y \
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docker-ce \
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docker-ce-cli \
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containerd.io \
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docker-compose-plugin
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# 8) (Optional) Install legacy docker-compose binary
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# Uncomment below if you still need the standalone 'docker-compose' command
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# echo "Installing legacy docker-compose binary..."
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# COMPOSE_LATEST=$(curl -s https://api.github.com/repos/docker/compose/releases/latest \
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# | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
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# curl -L "https://github.com/docker/compose/releases/download/${COMPOSE_LATEST}/docker-compose-$(uname -s)-$(uname -m)" \
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# -o /usr/local/bin/docker-compose
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# chmod +x /usr/local/bin/docker-compose
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# 9) Add current user to the 'docker' group (so you can run docker without sudo)
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USER_NAME=${SUDO_USER:-$(whoami)}
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echo "Adding user '$USER_NAME' to docker group..."
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usermod -aG docker "$USER_NAME"
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# 10) Enable and start Docker
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echo "Enabling and starting Docker service..."
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systemctl enable docker
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systemctl start docker
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# 11) Verify installation
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echo "Verifying Docker installation..."
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docker --version
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docker compose version || echo "Docker Compose plugin installed; use 'docker compose'."
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echo "Done! Please log out and back in (or reboot) for group changes to take effect." |