Steps for debugging Apache and PHP configuration.

GitHub Actions Debugging

      # View Apache setup.
      - name: Apache setup
        run: |
          echo '--- /etc/apache2 ---'
          sudo ls /etc/apache2
          echo '--- /etc/apache2/conf-available ---'
          sudo ls /etc/apache2/conf-available
          echo '--- /etc/apache2/conf-enabled ---'
          sudo ls /etc/apache2/conf-enabled
          echo '--- /etc/apache2/mods-available ---'
          sudo ls /etc/apache2/mods-available
          echo '--- /etc/apache2/mods-enabled ---'
          sudo ls /etc/apache2/mods-enabled
          echo '--- /etc/apache2/sites-available ---'
          sudo ls /etc/apache2/sites-available
          echo '--- /etc/apache2/sites-enabled ---'
          sudo ls /etc/apache2/sites-enabled

      # Upload Apache configuration files for review.
      - name: Upload Apache setup
        uses: actions/upload-artifact@v2
        with:
          name: apache
          path: /etc/apache2

      # Verify PHP info.
      - name: PHP Info
        run: |
          echo '<?php phpinfo();' > web/phpinfo.php
          curl http://{{ HOST }}/phpinfo.php
          php -c /etc/php/{{ PHP_VERSION }}/fpm/php.ini -i
          php -i