Podman deployment and image building in podman.

Podman is a new generation linux container technology.Compared with docker, it has the following advantages.

1. No daemon process,can reduce system cost.
2. Rootless permission requirement.
3. Most of commands in podman are same with docker. This means that podman can take place docker easily.

The purpose of this article is to describe installation and image building in podman.

yum install podman buildah -y

vim centos7_ssh

buildah bud -t centos7:centos7_ssh -f /opt/centos7_ssh/centos7_ssh .