Docker Considered Harmful (2025)
a day ago
- #Containerization
- #Docker
- #Security
- Docker's default settings and practices pose significant security risks.
- The Docker daemon alters system firewall rules without permission, causing conflicts.
- Docker lacks UID isolation by default, risking system security if a container is compromised.
- Running applications as PID 1 in Docker can lead to unhandled zombie processes and signal handling issues.
- Many Docker images are poorly maintained, insecure, and not suitable for production use.
- Docker complicates IPv6 deployment and contributes to IPv4 exhaustion.
- Alternatives like systemd-nspawn offer better security and isolation for containerization needs.
- Building custom Docker images securely requires significant effort and constant updates.
- Software forcing Docker deployment should provide alternative installation methods.