Merge pull request 'add dependencies for thumbnail generation' (#22) from feature/docker_fix_thumbnail into master

Reviewed-on: https://git.lolcat.ca/lolcat/4get/pulls/22

Dockerfile

@@ -2,7 +2,7 @@ FROM alpine:latest
 WORKDIR /var/www/html/4get
 
 RUN apk update && apk upgrade
-RUN apk add php apache2-ssl php82-fileinfo php82-openssl php82-iconv php82-common php82-dom php82-curl curl php82-pecl-apcu php82-apache2 imagemagick php82-pecl-imagick php-mbstring
+RUN apk add php apache2-ssl php82-fileinfo php82-openssl php82-iconv php82-common php82-dom php82-curl curl php82-pecl-apcu php82-apache2 imagemagick php82-pecl-imagick php-mbstring imagemagick-webp imagemagick-jpeg
 
 COPY ./apache/httpd.conf /etc/apache2/httpd.conf
 COPY ./apache/conf.d/ssl.conf /etc/apache2/conf.d/ssl.conf