text: import click
  
  from kubetemp.core import read_params, render_string, write_output
  
  
  @click.command()
  @click.version_option()
  @click.argument('TEMPLATE', type=click.File('r'))
  @click.option(
      'param_path', '--file', '-f', type=click.Path(exists=True),
      help='Read parameters from JSON or YAML file'
  )
  @click.option(
      'param_list', '--param', '-p', nargs=2, multiple=True, type=str,
      help='Define parameters to render template'
  )
  @click.option(
      'output_path', '--output', '-o', type=click.Path(writable=True),
      help='Write rendered template to output file'
  )
  def cli(template, param_path, param_list, output_path):
      """ Renders Jinja template with parameters"""
      # Get template parameters
      params = {}
      file_params = read_params(param_path)
      params.update(file_params)
      params.update(dict(param_list))
  
      # Render template and create output
      rendered_output = render_string(template.read(), **params)
      if output_path is None:
          click.echo(rendered_output)
      else:
          write_output(rendered_output, output_path)
  