Using podman instead docker

Install

apt install podman

config

On linux platform, podman put it's config in /etc/containers

we need config registries.yaml first

fill the unqualified-search-registries config so you can searching or pulling by short names

use a local register to speed your pulling image insecure=true allow you skipping TLS verification

1[[registry]]
2location="localhost:5000"
3insecure=true

you can blocking a registry, namespace, or image by set blocked=true

config a mirror

1[[registry]]
2location="registry.access.redhat.com"
3[[registry.mirror]]
4location="internal.registry.mirror"

Run

podman has many of docker command, simplest you can just alias your docker command to podman

always run on when system reboot

use systemd

podman provide simple command to generate a systemd config

podman generate systemd --new --name redis > /etc/systemd/system/redis.service

systemctl enable --now redis

this will keep redis on when system reboot