Add WEBP support

Author: steffjenl

Dockerfile

@@ -10,7 +10,7 @@ ENV APACHE_DOCUMENT_ROOT=/var/www/html/public
 RUN apt-get update -y && apt-get upgrade -y
 RUN apt-get install libapache2-mod-xsendfile -y && a2enmod xsendfile
 RUN a2enmod rewrite
-RUN apt-get install tree nano libzip-dev libwebp-dev libfreetype6-dev libjpeg62-turbo-dev libpng-dev zlib1g-dev libicu-dev -y
+RUN apt-get install tree nano libzip-dev libwebp-dev libfreetype6-dev libjpeg62-turbo-dev libpng-dev zlib1g-dev libicu-dev libwebp-dev -y
 RUN apt-get install npm -y
 
 RUN docker-php-ext-install pdo_mysql \
@@ -22,6 +22,8 @@ RUN docker-php-ext-install pdo_mysql \
   && docker-php-ext-install intl \
   && docker-php-ext-install pcntl
 
+RUN docker-php-ext-configure gd --with-webp;
+
 # Set the correct permissions for the application files
 RUN chown -R www-data:www-data /var/www