初始docker

Posted 2021-01-06 winter1519

docker现在是比较火的一门技术，作为一名运维从业者对docker的学习是自身知识的储备，也是自我能力的一种提升。

现在就来认识一下docker吧。

系统版本

[[email protected] ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.4 (Maipo)

内核：

[[email protected] ~]# uname -r
3.10.0-693.el7.x86_64

[[email protected] ~]# yum install docker -y

[[email protected] ~]# systemctl start docker

[[email protected] ~]# docker run -d -p 80:80 httpd

Unable to find image ‘httpd:latest‘ locally

Trying to pull repository docker.io/library/httpd ...

latest: Pulling from docker.io/library/httpd

f189db1b88b3: Pull complete

ba2d31d4e2e7: Pull complete

23a65f5e3746: Pull complete

5e8eccbd4bc6: Pull complete

4c145eec18d8: Pull complete

1c74ffd6a8a2: Pull complete

1421f0320e1b: Pull complete

Digest: sha256:8631904c6e92918b6c7dd82b72512714e7fbc3f1a1ace2de17cb2746c401b8fb

Status: Downloaded newer image for docker.io/httpd:latest

7964bb9522b240131b2e83b11a9e8458ea601f8b47344d567d8481aa65160a10

通过浏览器验证容器是否正常工作。

过程描述：

1、从docker hub下载httpd镜像。镜像中已经安装好了Apache httpd server

2、启动httpd服务，并将容器的80端口映射到host的80端口