Podman

What are containers

Technologies that allow you to package and isolage application

Container orchestation

• kubernetes
• openshift
• docker swarm

What is a pod

A group of one or more containers with shared storage and network resources and specification for how to run the containers. By default a pod has a infra container

Why use pods

• shared resources: containers in the same pod will share same resources and local network
• communications: can easily communicate with others in the same pod
• scalability: as demand for services increase you can deploy additional pods

What is podman

• no daemon

• kubernetesinteroperability

• create systemd containers with podman

• interoperability with docker

• local repository is in /var/lib/containers/ or ~/.local/share/containers/

• podman talks directly to runc

You can configure a local container registry

What is skopeo

• CLI to perform operation on container images and image repositories

Whats is buildah

• CLI for building open caontainer initiative-compatibility

Installing podman

Installation in Manjaro

https://computingforgeeks.com/how-to-install-podman-on-arch-linux-manjaro/

Configuration

Configuration file are located at /etc/containers/

Managing images

podman

• podman image
• podman images
• podman inspect
• podman login/logout
• podman pull/push
• podman rmi
• podman search
• podman tag/untag

Add --help in any command to get more information

skopeo

• skopeo inspect
• skopeo login/logout
• skopeo copy
• skopeo sync
• skopeo list-tags

References

2 Hands-on with Podman Containers on Linux