wingedit.pl/wp-content/plugins/really-simple-ssl/lets-encrypt/vendor/plesk/api-php-lib/Dockerfile

FROM php:7.3-cli

RUN apt-get update \
    && apt-get install -y unzip \
    && docker-php-ext-install pcntl \
    && curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer