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chore: replace Docker Desktop references with open-source alternatives

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Docker Desktop requires a commercial licence for business use. Replace all
references with free alternatives:
- macOS: Rancher Desktop (GUI) or Colima (CLI)
- Linux: Docker Engine CE (no Desktop needed at all)
- Windows: Rancher Desktop or WSL2 + Docker Engine

setup.sh detects the OS and shows platform-specific install instructions.
claude.sh defers to setup.sh for install hints to avoid duplication.
README documents all options including a WSL2 setup walkthrough.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
docker-claude 2026-04-16 10:16:23 +02:00
parent f68ed674d0
commit 3aff92bd41
3 changed files with 72 additions and 14 deletions
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47
setup.sh
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@ -11,27 +11,64 @@ warn() { echo -e "${YELLOW}[!]${NC} $*"; }
error() { echo -e "${RED}[✗]${NC} $*" >&2; }
step() { echo -e "\n${BOLD}$*${NC}"; }
# ─── Platform-specific install hints ─────────────────────────────────────────
docker_install_hint() {
case "$(uname -s)" in
Darwin)
echo " Install one of the following (both are free and open source):"
echo " • Rancher Desktop (GUI, easiest): https://rancherdesktop.io/"
echo " • Colima (CLI): brew install colima docker docker-compose && colima start"
;;
Linux)
echo " Install Docker Engine (free, no licensing restrictions):"
echo " curl -fsSL https://get.docker.com | sh"
echo " sudo usermod -aG docker \$USER # then log out and back in"
;;
*)
# Windows / Git Bash / WSL
echo " Install one of the following (both are free and open source):"
echo " • Rancher Desktop (GUI, easiest): https://rancherdesktop.io/"
echo " • WSL2 + Docker Engine: install Ubuntu from the Microsoft Store,"
echo " then run: curl -fsSL https://get.docker.com | sh"
;;
esac
}
docker_not_running_hint() {
case "$(uname -s)" in
Darwin|MINGW*|MSYS*|CYGWIN*)
echo " → Open Rancher Desktop (or whichever Docker runtime you installed)"
echo " and wait for it to finish starting, then run this setup again."
;;
Linux)
echo " → Start the Docker daemon: sudo systemctl start docker"
;;
*)
echo " → Start your Docker runtime and try again."
;;
esac
}
# ─── Check Docker ─────────────────────────────────────────────────────────────
check_docker() {
step "Checking Docker..."
if ! command -v docker &>/dev/null; then
error "Docker is not installed."
echo " → Download Docker Desktop (free): https://www.docker.com/products/docker-desktop/"
echo " It includes everything you need — no extra tools required."
docker_install_hint
exit 1
fi
if ! docker info &>/dev/null 2>&1; then
error "Docker is installed but not running."
echo " → Open Docker Desktop and wait for the whale icon to stop animating,"
echo " then run this setup again."
docker_not_running_hint
exit 1
fi
if ! docker compose version &>/dev/null 2>&1; then
error "Docker Compose is not available."
echo " → Download Docker Desktop (includes Compose): https://www.docker.com/products/docker-desktop/"
echo " Docker Compose is included with Rancher Desktop and Docker Engine."
docker_install_hint
exit 1
fi