code: func appSearchPaths(p *stage1commontypes.Pod, workDir string, app types.App) []string {
  	appEnv := app.Environment
  
  	if imgPath, ok := appEnv.Get("PATH"); ok {
  		return strings.Split(imgPath, ":")
  	}
  
  	// emulate exec(3) behavior, first check working directory and then the
  	// list of directories returned by confstr(_CS_PATH). That's typically
  	// "/bin:/usr/bin" so let's use that.
  	return []string{workDir, "/bin", "/usr/bin"}
  }
docs: // appSearchPaths returns a list of paths where we should search for
  // non-absolute exec binaries