Laravel 5 - PHP Fatal error: require(): Failed opening required vendor/autoload.php

Laravel 5 - PHP Fatal error: require(): Failed opening required vendor/autoload.php

我创建了一个 laravel 应用程序并想将其部署到新环境。我克隆了我的存储库和 运行 'composer install'。我还使用新的数据库设置配置了 .env。当我尝试访问该网站时出现服务器错误 500。以下错误在 apache error_log.

[Tue Jan 26 12:52:24.876800 2016] [:error] [pid 16531] [client xx.xx.xx.xx:12499] PHP Fatal error:  require(): Failed opening required '/var/www/html/bootstrap/../vendor/autoload.php' (include_path='.:/usr/lib/php') in /var/www/html/bootstrap/autoload.php on line 17
[Tue Jan 26 12:55:44.302563 2016] [:error] [pid 16529] [client xx.xx.xx.xx:1615] PHP Warning:  require(/var/www/html/bootstrap/../vendor/autoload.php): failed to open stream: Permission denied in /var/www/html/bootstrap/autoload.php on line 17

任何线索可能是错误的或寻找下一步? Composer 更新运行良好:

server:/var/www/html$ composer install
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Nothing to install or update
Generating autoload files

问题与 apache 用户权限有关。我用以下命令解决了这个问题:

sudo chown www-data:www-data * -R