generator: Add an environment variable to choose the container runtime #172
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There are now many alternative container runtimes. These often expose a socket interface which is compatible with the
dockerCLI, but may also have their own command line utilities. For our limited requirements, these alternative CLIs are often compatible enough with thedockerCLI that we can use them directly.This PR adds an environment variable to allow users running alternative container runtimes to use their CLIs directly when building SDKs, removing the need to have the
dockerCLI tools installed as well. I've tested the generator withpodman; it produced identical SDKs to the current implementation (#171), with good performance.The
dockerCLI is currently still required to run the SDK generator tests.