Function dockerCommand

packages/serverless/lib/plugins/python/lib/docker.js:13–30

* Helper function to run a docker command * @param {string[]} options * @return {Object}

(options, pluginInstance)

 * @return {Object}
 */
async function dockerCommand(options, pluginInstance) {
  const cmd = 'docker'
  try {
    return await spawn(cmd, options, { encoding: 'utf-8' })
  } catch (e) {
    if (
      e.stderrBuffer &&
      e.stderrBuffer.toString().includes('command not found')
    ) {
      throw new ServerlessError(
        'docker not found! Please install it.',
        'PYTHON_REQUIREMENTS_DOCKER_NOT_FOUND',
        { stack: false },
      )
    }
    throw e
  }
}

/**
 * Build the custom Docker image