50 lines
1.4 KiB
Bash
Executable File
50 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SOURCE: https://docs.docker.com/engine/install/ubuntu/
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# https://docs.docker.com/engine/install/linux-postinstall/
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# Exit on error, undefined vars, and pipe failures
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set -euo pipefail
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export DEBIAN_FRONTEND=noninteractive
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# Remove old or conflicting packages
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for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do
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apt-get remove -y "$pkg" 2>/dev/null || true
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done
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# Install prerequisites
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apt-get update
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apt-get install -y ca-certificates curl gnupg
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# Create keyrings directory and add Docker GPG key
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install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
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gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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chmod a+r /etc/apt/keyrings/docker.gpg
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# Add Docker repository
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# shellcheck source=/dev/null
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. /etc/os-release
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ARCH=$(dpkg --print-architecture)
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CODENAME="$VERSION_CODENAME"
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echo "deb [arch=$ARCH signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $CODENAME stable" | \
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tee /etc/apt/sources.list.d/docker.list > /dev/null
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# Update and install Docker
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apt-get update
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apt-get install -y \
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docker-ce \
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docker-ce-cli \
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containerd.io \
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docker-buildx-plugin \
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docker-compose-plugin
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# Add user to docker group
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usermod -aG docker "$USER"
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# Refresh group membership
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echo "Docker installation completed."
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echo "To use Docker without sudo, run:"
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echo " newgrp docker"
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echo "Or log out and back" |