APIVersion gets the API version from the passed in context If no version is set then an empty string will be returned.

FromEnv sets the API version to use from the DOCKER_API_VERSION environment variable This is like how the Docker CLI sets a specific API version.

Join adds the API version stored in the context to the provided uri.

LessThan checks if a version is less than another.

Negotiate looks at the version currently in ctx and the verion of the server.

WithAPIVersion stores the API version to make a request with in the provided context.