FROM mailpoet/wordpress:5.6-cli_20180417.1 ENV COMPOSER_ALLOW_SUPERUSER=1 RUN composer global require --optimize-autoloader "hirak/prestissimo" WORKDIR /wp-core/wp-content/plugins/mailpoet ENV WP_TEST_PATH=/wp-core ADD docker-entrypoint.sh / RUN ["chmod", "+x", "/docker-entrypoint.sh"]