def METHOD_NAME(self, tag: str, env: Mapping[str, str] | None = None) -> Process:
    return Process(
        argv=(self.path, "push", tag),
        cache_scope=ProcessCacheScope.PER_SESSION,
        description=f"Pushing docker image {tag}",
        env=self._get_process_environment(env or {}),
        immutable_input_digests=self.extra_input_digests,
    )