30 lines
1.2 KiB
YAML
30 lines
1.2 KiB
YAML
name: better-setup-docker
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description: Install the pinned static docker CLI when missing and verify the runner's daemon socket works — for runners that mount the host docker socket.
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inputs:
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docker-version:
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description: Exact docker CLI version to install when missing (x.y.z).
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default: "27.5.1"
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verify-socket:
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description: Run `docker info` to prove the daemon socket is reachable ("true"/"false").
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default: "true"
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runs:
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using: composite
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steps:
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- shell: bash
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run: |
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set -euo pipefail
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v="${{ inputs.docker-version }}"
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if ! command -v docker >/dev/null 2>&1; then
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case "$(uname -m)" in
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x86_64|amd64) arch=x86_64 ;;
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aarch64|arm64) arch=aarch64 ;;
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*) echo "better-setup-docker: unsupported arch $(uname -m)" >&2; exit 1 ;;
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esac
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curl -fsSL "https://download.docker.com/linux/static/stable/${arch}/docker-${v}.tgz" | tar -xz -C /tmp docker
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mv /tmp/docker/docker /usr/local/bin/docker
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fi
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docker --version
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if [ "${{ inputs.verify-socket }}" = "true" ]; then
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docker info >/dev/null && echo "docker ok (host socket)"
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fi
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