docker环境检查脚本

docker和docker-compose环境检查脚本

#!/bin/bash

is_docker_installed() {
    if which docker >/dev/null 2>&1; then
        echo "---> Docker has already installed:"
        docker info 2>/dev/null | grep -E "^Server Version:" 2>/dev/null
        return 0
    fi
    return 1
}

is_docker_compose_installed() {
    if which docker-compose >/dev/null 2>&1; then
        echo "---> docker-compose has already installed:"
        docker-compose --version 2>/dev/null | grep version 2>/dev/null
        return 0
    fi
    return 1
}

is_docker_installed
is_docker_compose_installed