I would like to some information about execution environment of Retool.
Now, I am planning to upgrade my server. The upgrade server is running RHEL 8 .
So, I am planning to use Podman/runC instead of Docker/DockerCompose.
Could you please confirm that Retool is running on Podman/runC ?
I have looked at various documents and confirmed that it is running on Docker/ DockerCompose, but I could not find any information about Podman/runC, so I would like to ask a question.
Hi @t-shinkai! Welcome to the community. 
Podman/ruNC isn't formally supported as a deployment option in our documentation, but it is OCI compliant and should thus be able to run a Retool instance without any issues.
Because it isn't formally supported, though, the setup process may require additional configuration that is beyond the scope of our documentation and other support offerings. As evidence that it is possible, though, there has been at least one other user that deployed with Podman!
I'm happy to answer any additional questions you may have but will be of limited value if you run into issues. 