SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolutionエラーが出た

今まで問題なく立ち上がっていたDockerがなぜか立ち上がらない・・・

 SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution (SQL: select * from information_schema.tables where table_schema = テーブル名 and table_name = migrations and table_type = 'BASE TABLE')

  at vendor/laravel/framework/src/Illuminate/Database/Connection.php:692
    688▕         // If an exception occurs when attempting to run a query, we'll format the error
    689▕         // message to include the bindings with SQL, which will make this exception a
    690▕         // lot more helpful to the developer instead of just the database's errors.
    691▕         catch (Exception $e) {
  ➜ 692▕             throw new QueryException(
    693▕                 $query, $this->prepareBindings($bindings), $e
    694▕             );
    695▕         }
    696▕     }

      +36 vendor frames
  37  artisan:37
      Illuminate\Foundation\Console\Kernel::handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))

原因

.envで定義していたホスト名が違っていた

database.php

'host' => env('DB_HOST', '127.0.0.1'),

.env

DB_HOST=dbp //dbpではなくdb

docker-compose.yaml

services:
(略)
  db:

なぜかpが紛れ込んでいたというオチ