'7 Best Docker Alternatives in 2022' devops docker
What is the most popular platform for developing, delivering, and running containerized applications? Probably, the first name that will be recalled is Docker. But are there any worthy alternatives to containerization and Docker’s services?For the last few years, docker competitors have become more mature and ready to propose more features to their users than Docker. So you might want to consider it before taking any IT decision for your product or even a whole company.
Being in DevOps for more than seven years, I have tested plenty of Docker substitutions, and here is my list of decent alternatives that might fit your needs.Podman is considered the most powerful competitor to Docker. Moreover, it can substitute the latter due to the ability to manage Docker’s container images.
It also differs from Docker in some approaches to run containers. While Docker uses a daemon, Podman refuses it. This gives Podman some advantages in case of some unexpected troubles with the central daemon. In Docker’s case, such distress will lead to a catastrophe for containers.This technology was a predecessor to Docker, but it was shaded by the latter.a general approach to containerization as an alternative to running a central daemon or program.
In contrast to Docker, Buildah allows you to undertake many changes at one level. Moreover, it gives the possibility to construct an empty container image for keeping metadata. However, its end result is inferior compared to Docker’s.If you need to create images of containers inside other containers, you can resort to Kaniko. Following Podman and Buildah, it doesn’t need a daemon and can create images out of Docker’s files.
Thus, in the situation of moving Docker to proprietary ways of functioning, users have some alternatives to experiment with. If your company didn’t use Docker’s services before, it is worthwhile to start with some other options. They fully cope with all functions fulfilled by Docker and can be a decent substitution to it.
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