code: func ReadEnvironmentFile(path string) (map[string]string, error) {
  	f, err := os.Open(path)
  	if err != nil {
  		return nil, err
  	}
  	defer f.Close()
  
  	result := map[string]string{}
  
  	scanner := bufio.NewScanner(f)
  	for scanner.Scan() {
  		s := strings.TrimSpace(scanner.Text())
  		// Allow for comments in environment file
  		if strings.HasPrefix(s, "#") || strings.HasPrefix(s, "//") {
  			continue
  		}
  		parts := strings.SplitN(s, "=", 2)
  		if len(parts) != 2 {
  			continue
  		}
  		result[strings.TrimSpace(parts[0])] = strings.TrimSpace(parts[1])
  	}
  
  	return result, scanner.Err()
  }
docs: // ReadEnvironmentFile reads the content for a file that contains a list of
  // environment variables and values. The key-pairs are separated by a new line
  // character. The file can also have comments (both '#' and '//' are supported).