CI: enable php-exif

.gitlab-ci.yml

@@ -3,7 +3,9 @@ stages:
 
 before_script:
   - apt-get -yqq update
-  - apt-get -yqq install zip unzip
+  - apt-get -yqq install zip unzip libexif-dev
+  - docker-php-ext-install exif
+  - docker-php-ext-enable exif
   - curl -sS https://composer.github.io/installer.sig > installer.sig
   - php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
   - php -r "if (hash_file('SHA384', 'composer-setup.php') === file_get_contents('installer.sig')) { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"