more secure and efficient RUN touch /run/php-fpm83.sock && chown nginx:nginx "/run/php-fpm83.sock" RUN sed -i 's/^s*;s*listen.group = nobody/listen.group = nginx/' ${WWW_CONFIG} && sed -i 's/^s*;s*listen.group = nobody/listen.group = nginx/' ${WWW_CONFIG} && sed -i 's/^s*;s*listen.owner =