CODE EXAMPLE FOR PHP

docker php-fpm-apline add imagick

RUN apk add imagemagick
RUN apk add imagemagick-dev

RUN apk add --update --no-cache autoconf g++ imagemagick-dev libtool make pcre-dev 
    && pecl install imagick 
    && docker-php-ext-enable imagick 
    && apk del autoconf g++ libtool make pcre-dev