安装执行./cmd install ,提示“composer install 失败，请重试！”

[Young-3]

[+] Running 3/3
 ⠿ Container dootask-mariadb-d1c1bf  Started                              10.9s
 ⠿ Container dootask-redis-d1c1bf    S...                                 10.9s
 ⠿ Container dootask-php-d1c1bf      Sta...                               11.0s
Composer could not find a composer.json file in /var/www
To initialize a project, please create a composer.json file. See https://getcomposer.org/basic-usage

In ConfigCommand.php line 202:

  File "./composer.json" cannot be found in the current directory


config [-g|--global] [-e|--editor] [-a|--auth] [--unset] [-l|--list] [-f|--file FILE] [--absolute] [-j|--json] [-m|--merge] [--append] [--source] [--] [<setting-key> [<setting-value>...]]

Composer could not find a composer.json file in /var/www
To initialize a project, please create a composer.json file. See https://getcomposer.org/basic-usage

In ConfigCommand.php line 202:

  File "./composer.json" cannot be found in the current directory


config [-g|--global] [-e|--editor] [-a|--auth] [--unset] [-l|--list] [-f|--file FILE] [--absolute] [-j|--json] [-m|--merge] [--append] [--source] [--] [<setting-key> [<setting-value>...]]

[错误] composer install 失败，请重试！