vendor **folder** missing

[josephril]

root@StreamingRiver-IPTV:~/docker-streamingriver# php artisan sriptv:init
PHP Warning: require(/root/docker-streamingriver/vendor/autoload.php): failed to open stream: No such file or directory in /root/docker-streamingriver/artisan on line 18
PHP Fatal error: require(): Failed opening required '/root/docker-streamingriver/vendor/autoload.php' (include_path='.:/usr/share/php') in /root/docker-streamingriver/artisan on line 18

vendor folder missing and it content pls advise how to proceed

[M]

these commands are run in docker container when building.
if you want start it on local computer, use default commands to setup laravel.