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Docker and Podman are both containerization tools, but they have some key differences in their architecture and approach to container management.
Architecture
- Docker uses a client-server architecture mediated by a daemon, while Podman has a daemon-less architecture, allowing it to run containers under the user starting the container.
Security
- Podman offers better security compared to Docker. It uses a rootless model by default, running the container system as a non-root user. This reduces the attack surface for potential security vulnerabilities.
User Support
- Podman has better support for running containers as non-root users, which can improve security. This is in contrast to Docker, which traditionally requires root privileges to run containers.
Kubernetes Support
- Podman can run Kubernetes pods natively without needing a separate tool like Docker Compose, making it a more integrated solution for Kubernetes environments.
In conclusion, while Docker has been the industry standard for almost a decade, Podman’s innovative architecture and approach to container management make it a solid alternative, especially for those working in Linux environments
Created on: Dec 29, 2023