Improve code and examples

examples/laravel-postgres.yml

@@ -2,7 +2,7 @@ name: Testing Laravel with PostgreSQL
 on: [push, pull_request]
 jobs:
   laravel:
-    name: Laravel (PHP ${{ matrix.php-versions }} on ${{ matrix.operating-system }})
+    name: Laravel (PHP ${{ matrix.php-versions }})
     runs-on: ubuntu-latest
     env:
       BROADCAST_DRIVER: log
@@ -31,10 +31,9 @@ jobs:
         options: --health-cmd="redis-cli ping" --health-interval=10s --health-timeout=5s --health-retries=3
     strategy:
       fail-fast: false
-      max-parallel: 15
+      max-parallel: 3
       matrix:
-        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
-        php-versions: ['7.2', '7.3']
+        php-versions: ['7.2', '7.3', '7.4']
     steps:
       - name: Checkout
         uses: actions/checkout@v1
@@ -42,17 +41,21 @@ jobs:
         uses: shivammathur/setup-php@master #https://github.com/shivammathur/setup-php
         with:
           php-version: ${{ matrix.php-versions }}
-          extension-csv: mbstring #optional
+          extension-csv: mbstring, dom, fileinfo, pgsql
           coverage: xdebug #optional
       - name: Install Composer dependencies
         run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
       - name: Prepare the application
         run: |
-          cp .env.example .env
+          php -r "file_exists('.env') || copy('.env.example', '.env');"
           php artisan key:generate
       - name: Clear Config
         run: php artisan config:clear
       - name: Run Migration
         run: php artisan migrate -v
+        env:
+          DB_PORT: ${{ job.services.postgres.ports[5432] }}
+      - name: Test with phpunit
+        run: vendor/bin/phpunit --coverage-text
         env:
           DB_PORT: ${{ job.services.postgres.ports[5432] }}