Software Alternatives, Accelerators & Startups

Podman VS Kubernetes

Compare Podman VS Kubernetes and see what are their differences

Podman logo Podman

Simple debugging tool for pods and images

Kubernetes logo Kubernetes

Kubernetes is an open source orchestration system for Docker containers
  • Podman Landing page
    Landing page //
    2023-07-30
  • Kubernetes Landing page
    Landing page //
    2023-07-24

Podman features and specs

  • Daemonless Architecture
    Podman does not require a daemon to run containers, which simplifies its architecture and minimizes the potential attack surface.
  • Rootless Containers
    Podman allows running containers as a non-root user, enhancing security by reducing the risk associated with running processes as the root user.
  • Kubernetes Support
    Podman has built-in support for Kubernetes, enabling easier transition and orchestration of containers at scale.
  • Compatibility with Docker CLI
    Podman provides a Docker-compatible command line interface, making it easy for users to migrate from Docker with minimal changes to their workflows.
  • Enhanced Security
    With features like user namespaces and no central daemon, Podman offers improved security compared to traditional container runtimes.
  • Open Source
    Podman is an open-source project, which provides transparency and community-driven development.

Possible disadvantages of Podman

  • Limited Ecosystem
    The ecosystem around Podman is not as extensive as that of Docker, potentially limiting the availability of third-party tools and integrations.
  • Learning Curve
    Users familiar with Docker may face a learning curve when adapting to some of Podman’s unique features and CLI differences.
  • Performance Overhead
    Running rootless containers can introduce some performance overhead due to the additional layers of user namespace translation.
  • Less Mature
    Podman is relatively newer compared to Docker, which means it might not be as battle-tested in enterprise environments.
  • Inconsistent Behavior
    Certain Podman features may behave differently than Docker, which might lead to unexpected issues during container management and automation.

Kubernetes features and specs

  • Scalability
    Kubernetes excels in scaling applications horizontally by adding more containers to the deployment, ensuring that the application remains responsive even during high demand.
  • Portability
    Kubernetes supports a variety of environments including on-premises, hybrid, and public cloud infrastructures, offering flexibility and freedom from vendor lock-in.
  • High Availability
    Kubernetes ensures high availability through features like self-healing, automated rollouts and rollbacks, and various controller mechanisms to keep applications running reliably.
  • Extensibility
    Kubernetes has a modular architecture with a rich ecosystem of plugins, third-party tools, and extensions that allow customization and integration with various services.
  • Resource Efficiency
    Efficiently manages resources with features like autoscaling and resource quotas, helping to optimize usage and reduce costs.
  • Community and Support
    Kubernetes has a large, active community and strong industry support, which means abundant resources, tutorials, and third-party integrations are available.

Possible disadvantages of Kubernetes

  • Complexity
    The learning curve associated with Kubernetes is steep due to its numerous components, configurations, and operational paradigms.
  • Resource Intensive
    Running a Kubernetes cluster can be resource-intensive, often requiring significant CPU, memory, and storage resources, which can be costly.
  • Operational Challenges
    Managing a Kubernetes cluster requires expertise in areas such as networking, security, and cluster lifecycle management, making it challenging for smaller teams or organizations.
  • Debugging and Troubleshooting
    Pinpointing issues within a Kubernetes cluster can be difficult due to its distributed and dynamic nature, which can complicate debugging and troubleshooting processes.
  • Configuration Overhead
    Kubernetes involves numerous configurations and settings, which can be overwhelming and error-prone, especially during initial setup and deployment.
  • Security Management
    While Kubernetes provides various security features, managing those securely requires in-depth knowledge and diligence, as misconfigurations can lead to vulnerabilities.

Podman videos

PODMAN vs DOCKER - should you switch now?

More videos:

  • Review - Actually, podman Might Be Better Than docker
  • Review - Container (Podman) Review - Kominfo PROA Training Lab 2

Kubernetes videos

Kubernetes Documentation

More videos:

  • Review - Kubernetes in 5 mins
  • Review - Module 1: Istio - Kubernetes - Getting Started - Installation and Sample Application Review
  • Review - Deploying WordPress on Kubernetes, Step-by-Step

Category Popularity

0-100% (relative to Podman and Kubernetes)
Developer Tools
23 23%
77% 77
Cloud Computing
39 39%
61% 61
DevOps Tools
0 0%
100% 100
OS & Utilities
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Podman and Kubernetes

Podman Reviews

Podman vs Docker: Comparing the Two Containerization Tools
Rootless processes. Because of its daemonless architecture, Podman can perform truly rootless operations. Users do not have to be granted root privileges to run Podman commands, and Podman does not have to rely on a root-privileged process.
Source: www.linode.com

Kubernetes Reviews

The Top 7 Kubernetes Alternatives for Container Orchestration
Rancher RKE is an interface to the command line for Rancher Kubernetes Engine (RKE) and OpenShift. Both are software tools employed to deploy Kubernetes, an open source project that manages containers on several hosts.
Kubernetes Alternatives 2023: Top 8 Container Orchestration Tools
Azure Kubernetes Service is a container orchestration platform that offers secure serverless Kubernetes. AKS helps to manage Kubernetes clusters and makes deploying containerized applications so much easier. In addition to that, it provides automatic configuration of all Kubernetes nodes and master.
Top 12 Kubernetes Alternatives to Choose From in 2023
Google Kubernetes Engine (GKE) is a prominent choice for a Kubernetes alternative. It is provided and managed by Google Cloud, which offers fully managed Kubernetes services.
Source: humalect.com
Docker Swarm vs Kubernetes: how to choose a container orchestration tool
In this article, we explored the two primary orchestrators of the container world, Kubernetes and Docker Swarm. Docker Swarm is a lightweight, easy-to-use orchestration tool with limited offerings compared to Kubernetes. In contrast, Kubernetes is complex but powerful and provides self-healing, auto-scaling capabilities out of the box. K3s, a lightweight form of Kubernetes...
Source: circleci.com
Docker Alternatives
An open-source code, Rancher is another one among the list of Docker alternatives that is built to provide organizations with everything they need. This software combines the environments required to adopt and run containers in production. A rancher is built on Kubernetes. This tool helps the DevOps team by making it easier to testing, deploying and managing the...
Source: www.educba.com

Social recommendations and mentions

Based on our record, Kubernetes should be more popular than Podman. It has been mentiond 357 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Podman mentions (123)

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Kubernetes mentions (357)

  • A Guide to Setting up Service Discovery for APIs
    Kubernetes isn't just for container orchestration—it packs a powerful built-in service discovery system that's changing how developers think about service connectivity. It uses DNS under the hood, along with environment variables, to help services find each other. - Source: dev.to / 3 days ago
  • Kubernetes 1.33: A Deep Dive into the Exciting New Features of Octarine
    For a comprehensive overview, explore the Kubernetes 1.33 release notes and GitHub changelog. Engage with the community at events like KubeCon or join the Kubernetes Slack to collaborate on the future of cloud-native computing. With Octarine, Kubernetes continues to shine as the backbone of modern infrastructure. - Source: dev.to / 6 days ago
  • A Detailed Comparison between Kubernetes Operators and Controllers
    Imagine trying to keep a fleet of ships sailing smoothly across the ocean. You need to ensure each ship has enough crew, fuel, and cargo, and that they're all heading in the right direction. This is a complex task, requiring constant monitoring and adjustments. In the world of Kubernetes, Controllers and Operators play a similar role, ensuring your applications run smoothly and efficiently. This blog post delves... - Source: dev.to / 14 days ago
  • Kubernetes: Migrating from Ingress to Gateway API
    Kubernetes has become the de facto standard for container orchestration. With the rise of microservices and cloud-native applications, managing network traffic within a Kubernetes cluster has become increasingly critical. The Ingress API has been the traditional solution for managing external access to services in Kubernetes. However, with the evolution of Kubernetes and the need for more advanced traffic... - Source: dev.to / 14 days ago
  • A Beginner's Journey: Deploying Applications on Amazon EKS
    Kubernetes is an innovative open-source platform designed for container orchestration. It automates critical processes such as deploying, scaling, and managing containerised applications. Originally developed by Google, Kubernetes is now watched by the Cloud Native Computing Foundation. In essence, Kubernetes serves as a powerful framework for managing your applications, enabling seamless deployment and... - Source: dev.to / 15 days ago
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What are some alternatives?

When comparing Podman and Kubernetes, you can also consider the following products

containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability

Rancher - Open Source Platform for Running a Private Container Service

Flox - Manage and share development environments with all the frameworks and libraries you need, then publish artifacts anywhere. Harness the power of Nix.

Docker - Docker is an open platform that enables developers and system administrators to create distributed applications.

Buildah - Buildah is a web-based OCI container tool that allows you to manage the wide range of images in your OCI container and helps you to build the image container from the scratch.

Helm.sh - The Kubernetes Package Manager