Hi,

I tried to deploy a PHP application (built with Yii2) with dokku and I got these messages when I ran "dokku ps:rebuild <app_name>" command:

-----> Cleaning up...
-----> Building <app_name> from herokuish...
-----> Adding BUILD_ENV to build environment...
-----> Fetching custom buildpack
-----> Unable to select a buildpack

Can you help me or do you have detailed tutorial for deploying PHP application?