如何安装docker和docker-compose

小编给大家分享一下如何安装docker和docker-compose，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

想快速装好docker和docker-compose ？那就随本文用一次复制粘贴来完成安装：

环境信息

1. 操作系统：CentOS Linux release 7.7.1908 (Core，

2. 操作账号：root

3. Docker版本：当前最新版本：19.03.2

4. docker-compose版本：当前最新版本：1.24.1

安装

执行以下命令(若非root账号，请自行添加sudo)：

yum install -y yum-utils device-mapper-persistent-data lvm2 \&& yum-config-manager \    --add-repo \    https://download.docker.com/linux/centos/docker-ce.repo \&& yum install  -y docker-ce docker-ce-cli containerd.io \&& systemctl start docker \&& yum -y install epel-release \&& yum -y install python-pip \&& pip install --upgrade pip \&& pip install docker-compose

等待几分钟，即完成docker和docker-compose的安装

验证

1. docker版本：

[root@centos7 ~]# docker versionClient: Docker Engine - Community Version:           19.03.2 API version:       1.40 Go version:        go1.12.8 Git commit:        6a30dfc Built:             Thu Aug 29 05:28:55 2019 OS/Arch:           linux/amd64 Experimental:      falseServer: Docker Engine - Community Engine:  Version:          19.03.2  API version:      1.40 (minimum version 1.12)  Go version:       go1.12.8  Git commit:       6a30dfc  Built:            Thu Aug 29 05:27:34 2019  OS/Arch:          linux/amd64  Experimental:     false containerd:  Version:          1.2.6  GitCommit:        894b81a4b802e4eb2a91d1ce216b8817763c29fb runc:  Version:          1.0.0-rc8  GitCommit:        425e105d5a03fabd737a126ad93d62a9eeede87f docker-init:  Version:          0.18.0  GitCommit:        fec3683

2. docker-compose版本：

[root@centos7 ~]# docker-compose versiondocker-compose version 1.24.1, build 4667896docker-py version: 3.7.3CPython version: 2.7.5OpenSSL version: OpenSSL 1.0.2k-fips  26 Jan 2017

3. 运行hello world：

[root@centos7 ~]# docker run --rm hello-worldUnable to find image 'hello-world:latest' locallylatest: Pulling from library/hello-world1b930d010525: Pull complete Digest: sha256:b8ba256769a0ac28dd126d584e0a2011cd2877f3f76e093a7ae560f2a5301c00Status: Downloaded newer image for hello-world:latestHello from Docker!This message shows that your installation appears to be working correctly.To generate this message, Docker took the following steps: 1. The Docker client contacted the Docker daemon. 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.    (amd64) 3. The Docker daemon created a new container from that image which runs the    executable that produces the output you are currently reading. 4. The Docker daemon streamed that output to the Docker client, which sent it    to your terminal.To try something more ambitious, you can run an Ubuntu container with: $ docker run -it ubuntu bashShare images, automate workflows, and more with a free Docker ID: https://hub.docker.com/For more examples and ideas, visit: https://docs.docker.com/get-started/

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