def _build_user_environment(self, envs, inputs, outputs, mounts):
envs = {env.name: env.value for env in envs}<EOL>envs.update(providers_util.get_file_environment_variables(inputs))<EOL>envs.update(providers_util.get_file_environment_variables(outputs))<EOL>envs.update(providers_util.get_file_environment_variables(mounts))<EOL>return envs<EOL>
Returns a dictionary of for the user container environment.