# Container Runtimes/Managers, Base Images and Container Tools. Podman, Buildah & Skopeo
- [Introduction](#introduction)
- [OCI Project](#oci-project)
- [OCI Runtimes](#oci-runtimes)
- [runc](#runc)
- [crun](#crun)
- [OCI Monitors](#oci-monitors)
- [Container Managers / Container Runtimes (CRI runtimes)](#container-managers--container-runtimes-cri-runtimes)
- [CRI-O](#cri-o)
- [Podman. Pod Manager tool](#podman-pod-manager-tool)
- [Containers In High Security Environments with Podman](#containers-in-high-security-environments-with-podman)
- [Container Images](#container-images)
- [Red Hat Universal Base Image](#red-hat-universal-base-image)
- [Container Tools](#container-tools)
- [Buildah](#buildah)
- [Skopeo](#skopeo)
- [Images](#images)
- [Tweets](#tweets)
## Introduction
- [A Practical Introduction to Container Terminology](https://developers.redhat.com/blog/2018/02/22/container-terminology-practical-introduction/)
- [inovex.de: Welcome To The Container Jungle: Docker vs. containerd vs. Nabla vs. Kata vs. Firecracker and more! π](https://www.inovex.de/blog/containers-docker-containerd-nabla-kata-firecracker/)
- [blog.alexellis.io: Building containers without Docker π](https://blog.alexellis.io/building-containers-without-docker/)
- [thenewstack.io: Container Best Practices: What They Are and Why You Should Care](https://thenewstack.io/container-best-practices-what-they-are-and-why-you-should-care/)
## OCI Project
- [OCI: Open Container Initiative](https://www.opencontainers.org/)
### OCI Runtimes
#### runc
- [runc](https://github.com/opencontainers/runc) CLI tool for spawning and running containers according to the OCI specification
#### crun
- [crun](https://github.com/containers/crun) A fast and lightweight fully featured OCI runtime and C library for running containers
### OCI Monitors
- [Conmon](https://github.com/containers/conmon) An OCI container runtime monitor.
## Container Managers / Container Runtimes (CRI runtimes)
- [Kubernetes.io: Container runtimes](https://kubernetes.io/docs/setup/production-environment/container-runtimes/)
- [Docker](https://www.docker.com/products/container-runtime)
- [containerd.io](https://containerd.io/)
- [Frakti](https://github.com/kubernetes/frakti)
### CRI-O
- [cri-o.io](https://cri-o.io/) Lightweight Container Runtime for Kubernetes
- [Why Red Hat is investing in CRI-O and Podman](https://redhat.com/en/blog/why-red-hat-investing-cri-o-and-podman)
### Podman. Pod Manager tool
- [Podman.io](https://podman.io/)
- [Libpod: Library and tool for running OCI-based containers in Pods](https://github.com/containers/libpod)
- Libpod is a library used to create container pods. Home of Podman.
- Libpod provides a library for applications looking to use the Container Pod concept, popularized by Kubernetes. Libpod also contains the Pod Manager tool (Podman). Podman manages pods, containers, container images, and container volumes.
- [Intro to Podman](https://developers.redhat.com/blog/2018/08/29/intro-to-podman/)
- [developer.ibm.com: How templating works with Podman, Kubernetes, and Red Hat OpenShift](https://developer.ibm.com/technologies/containers/articles/templating-and-podman-openshift/)
- [redhat.com: Be careful when pulling images by short name](https://www.redhat.com/en/blog/be-careful-when-pulling-images-short-name)
- [developers.redhat.com: Podman and Buildah for Docker users π](https://developers.redhat.com/blog/2019/02/21/podman-and-buildah-for-docker-users/)
- [podmain.io: Announcing Podman v2](https://podman.io/blogs/2020/06/29/podman-v2-announce.html) Featuring a new REST API, Remote Clients, Auto-update, Systemd Integration Improvements and more!
- [youtube: Getting started with Podman](https://www.youtube.com/watch?v=Za36qHbrf3g)
- [Podman remote clients for macOS and Windows](https://www.redhat.com/sysadmin/podman-clients-macos-windows) Podman manages your containers on a Linux host. Manage your containers from macOS or Windows by using the Podman remote client.
- [developers.redhat.com: Rootless containers with Podman: The basics](https://developers.redhat.com/blog/2020/09/25/rootless-containers-with-podman-the-basics/)
- [tecmint.com: How to Manage Containers Using Podman and Skopeo in RHEL 8](https://www.tecmint.com/manage-containers-using-podman-in-rhel/)
- [thenewstack.io: Tutorial: Host a Local Podman Image Registry π](https://thenewstack.io/tutorial-host-a-local-podman-image-registry/)
- [devopscurry.com: Looking for an alternative to Docker? Podman could be your solution !](https://devopscurry.com/looking-for-an-alternative-to-docker-podman-could-be-your-solution/)
- [redhat.com: Using Podman and Docker Compose](https://www.redhat.com/sysadmin/podman-docker-compose) Podman 3.0 now supports Docker Compose to orchestrate containers.
- [redhat.com: From Docker Compose to Kubernetes with Podman](https://www.redhat.com/sysadmin/compose-kubernetes-podman) Use Podman 3.0 to convert Docker Compose YAML to a format Podman recognizes.
- [fedoramagazine.org: Manage containers with Podman Compose](https://fedoramagazine.org/manage-containers-with-podman-compose/)
- [medium: Podman: Getting Started](https://medium.com/javarevisited/podman-getting-started-e7fc06961994)
- [oldgitops.medium.com: Setting up Podman on WSL2 in Windows 10 π](https://oldgitops.medium.com/setting-up-podman-on-wsl2-in-windows-10-be2991c2d443)
- [youtube: Podman in Podman (Running a container within a container)](https://www.youtube.com/watch?app=desktop&v=OcHRWaC5tvY&feature=youtu.be&ab_channel=RedHat)
- "Forget about Docker image updating hassle. Podman offers simple auto updating capabilities. It works with conjunction with systemd. Just add label "io.containers.autoupdate=image" and run podman auto-update in cron or with help of systemd.timer and be done with it" [puksiarz](https://twitter.com/puksiarz)
- [wbhegedus.me: Configuring Podman for WSL2 π](https://wbhegedus.me/running-podman-on-wsl2)
- [podman.io: Podman Release v3.1.0](https://podman.io/releases/2021/04/02/podman-release-v3.1.0.html) The new Podman release includes a number of exciting new features, including the podman secret command for managing secrets, support for a volume chown option to fix permissions automatically, improved support for volumes in podman generate kube, and over 60 bug fixes, many to the HTTP API. Read on for more details!
- [redhat.com: How to replace Docker with Podman on a Mac](https://www.redhat.com/sysadmin/replace-docker-podman-macos) Want to use Podman to work with containers? Here's what you need to know about Podman on a Mac.
- [redhat.com: Exploring the new Podman secret command π](https://www.redhat.com/sysadmin/new-podman-secrets-command) Use the new podman secret command to secure sensitive data when working with containers.
- [developers.redhat.com: Using Podman Compose with Microcks: A cloud-native API mocking and testing tool](https://developers.redhat.com/blog/2021/04/22/using-podman-compose-with-microcks-a-cloud-native-api-mocking-and-testing-tool)
- [redhat.com: How to automate Podman installation and deployment using Ansible π](https://www.redhat.com/sysadmin/automate-podman-ansible) Learn how to easily install and deploy Podman using Ansible in your environment.
- [tutorialworks.com: How to Start Containers Automatically, with Podman and Systemd](https://www.tutorialworks.com/podman-systemd/)
- [youtube: Podman 3 and Docker Compose - How Does the Dockerless Compose Work? π](https://www.youtube.com/watch?v=15PFfjuxtvM&ab_channel=mkdev)
- [fedoramagazine.org: Use Docker Compose with Podman to Orchestrate Containers on Fedora Linux](https://fedoramagazine.org/use-docker-compose-with-podman-to-orchestrate-containers-on-fedora/)
- [opensource.com: Run a Linux virtual machine in Podman](https://opensource.com/article/21/7/linux-podman) Use Podman Machine to create a basic Fedora CoreOS VM to use with containers and containerized workloads.
- [developers.redhat.com: Transitioning from Docker to Podman π](https://developers.redhat.com/blog/2020/11/19/transitioning-from-docker-to-podman)
- [redhat.com: How to run Podman on Windows](https://www.redhat.com/sysadmin/podman-windows-wsl) With a little help from Windows Subsystem for Linux, you can use Podman to build container images, run a web server in a container, and more.
- [pythonspeed.com: Using Podman with BuildKit, the better Docker image builder π](https://pythonspeed.com/articles/podman-buildkit/)
- [devopscube.com: Podman Tutorial For Beginners: Step by Step Guides π](https://devopscube.com/podman-tutorial-beginners/)
- [kubernetespodcast.com: Podman, with Daniel Walsh and Brent Baude](https://kubernetespodcast.com/episode/164-podman/)
- [redhat.com: How to use auto-updates and rollbacks in Podman](https://www.redhat.com/sysadmin/podman-auto-updates-rollbacks)
- New auto-update capabilities enable you to use Podman in edge use cases, update workloads once they are connected to the network, and roll back failures to a known-good state.
- Podman: the best tool for running containers on the edge servers. On the edge you want no human intervention. Podman+systemd support auto-update of container image & rollback, when update fails.
- [opensource.com: Get podman up and running on Windows using Linux](https://opensource.com/article/21/10/podman-windows-wsl) Enable WSL 2 guests to run the podman, skopeo, or buildah commands from within Windows using the Linux distribution of your choice.
- [dzone.com: Beginners Guide to Installing Decision Management Tooling in a Local Container using Podman](https://dzone.com/articles/beginners-guide-to-installing-decision-management) Recently the open source community project called Podman announced that there was solid support for using its container tooling to replace docker on your local development machine.
- [crunchtools.com: Should I Use Docker Compose Or Podman Compose With Podman?](http://crunchtools.com/should-i-use-docker-compose-or-podman-compose-with-podman/)
- [medium.com: Exploring Docker alternative β Podman](https://medium.com/techbeatly/exploring-docker-alternative-podman-14674c990311)
- [darumatic.com: Podman - Introduction π](https://darumatic.com/blog/podman_introduction)
- [redhat.com: Build Kubernetes pods with Podman play kube](https://www.redhat.com/sysadmin/podman-play-kube-updates) Enhancements include building images and tearing down pods with play kube and support for Kubernetes-style init containers.
- [==iongion.github.io: Podman Desktop Companion== π](https://iongion.github.io/podman-desktop-companion/) Cross-platform desktop integrated application with consistent UI
- [redhat.com: How to replace Docker with Podman on a Mac, revisited](https://www.redhat.com/sysadmin/replace-docker-podman-mac-revisited) Want to use Podman on macOS? There's a new way with podman machine. Here's what you need to know.
- [imaginarycloud.com: Podman vs Docker: What are the differences?](https://www.imaginarycloud.com/blog/podman-vs-docker/)
- [opensource.com: Run containers on Linux without sudo in Podman](https://opensource.com/article/22/1/run-containers-without-sudo-podman) Configure your system for rootless containers.
- [redhat.com: Create fast, easy, and repeatable containers with Podman and shell scripts](https://www.redhat.com/sysadmin/create-containers-podman-quickly)
- [redhat.com: How to use Podman to get information about your containers](https://www.redhat.com/sysadmin/container-information-podman) Use the podman ps command to get size, resource consumption, and other information about your containers.
#### Containers In High Security Environments with Podman
- [Build trusted pipelines/Guards with Podman containers](https://www.redhat.com/en/blog/using-container-technology-make-trusted-pipeline) Container technology makes develoment easier/cheaper & much more secure. SELinux,SECCOMP,Namespaces,Dropped Capabilities.
## Container Images
- [sherifabdlnaby/kubephp](https://github.com/sherifabdlnaby/kubephp) π³ Production Grade, Rootless, and Optimized PHP Container Image Template for Cloud-Native Deployments and Kubernetes.
### Red Hat Universal Base Image
- [Introducing the Red Hat Universal Base Image π](https://www.redhat.com/en/blog/introducing-red-hat-universal-base-image)
- [What is Red Hat Universal Base Image?](https://developers.redhat.com/blog/2019/10/09/what-is-red-hat-universal-base-image/)
- [RH Universal Base Image FAQ](https://developers.redhat.com/articles/ubi-faq/#resources)
- [Red Hat Ecosystem Catalog](https://catalog.redhat.com/software/containers/explore)
- [ubi-micro: RHEL tiny images to build containers π](https://github.com/fatherlinux/ubi-micro)
- [developers.redhat.com: How to pick the right container base image](https://developers.redhat.com/blog/2021/04/13/how-to-pick-the-right-container-base-image/)
## Container Tools
- [Say βHelloβ to Buildah, Podman, and Skopeo. New Generation of Container Management Tools](https://servicesblog.redhat.com/2019/10/09/say-hello-to-buildah-podman-and-skopeo/)
- [How to use the --privileged flag with container engines](https://www.redhat.com/sysadmin/privileged-flag-container-engines) Let's take a deep dive into what the --privileged flag does for container engines such as Podman, Docker, and Buildah.
- [itnext.io: Docker, Kaniko, Buildah](https://itnext.io/docker-kaniko-buildah-209abdde5f94) Different ways to build container images
### Buildah
- [Buildah.io](https://buildah.io/) A tool that facilitates building [Open Container Initiative (OCI)](https://www.opencontainers.org/) container images
- [github.com/containers/buildah](https://github.com/containers/buildah)
- [developers.redhat.com: Getting started with Buildah](https://developers.redhat.com/blog/2021/01/11/getting-started-with-buildah/)
- [youtube: How to live without Docker for developers - Part 1 | Migration from Docker to Buildah and Podman](https://www.youtube.com/watch?app=desktop&v=Fl0iLoAMdzc&ab_channel=AndrewMalkov)
### Skopeo
- [Skopeo](https://github.com/containers/skopeo) is a command line utility that performs various operations on container images and image repositories.
- [Promoting container images between registries with skopeo](https://www.openshift.com/blog/promoting-container-images-between-registries-with-skopeo)
## Images
??? note "Click to expand!"
[](https://www.openshift.com/blog/enterprise-kubernetes-with-openshift-part-one)
## Tweets
Click to expand!