Важное изменение в файле .env, которое может вызвать проблемы
https://youtu.be/Fk2r5PYbzE0
YouTube
[REVERTED BACK] Laravel .env.example Default DB Host Change
UPDATE: 3 days after shooting this video, this change was reverted, in v8.5.5 of the framework: https://github.com/laravel/laravel/commit/a895748980b3e055ffcb68b6bc1c2e5fad6ecb08#commitcomment-45054235

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A change in the newest Laravel version…