Laravel 5.8 configuration for Travis CI

.env.travis

APP_NAME=Laravel
APP_ENV=testing
APP_KEY=
APP_DEBUG=true
APP_URL=http://localhost/

DB_CONNECTION=mysql
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=testing
DB_USERNAME=travis
DB_PASSWORD=

BCRYPT_ROUNDS=4
CACHE_DRIVER=array
MAIL_DRIVER=array
QUEUE_CONNECTION=sync
SESSION_DRIVER=array

.travis.yml

dist: precise

language: php

php:
  - 7.2

addons:
  mariadb: 10.4

cache:
  directories:
    - node_modules
    - vendor

before_script:
  - cp .env.travis .env
  - sudo mysql -e 'CREATE DATABASE testing;'
  - composer self-update
  - composer install --no-interaction
  - php artisan key:generate
  - php artisan migrate --no-interaction -vvv

script:
  - vendor/bin/phpunit