# Build alpine-swoole will be failed for PHP 8.1 - alpine 3.16 - swoole 5.0.2 due to no php command. ## Executed command: ```shell docker compose build alpine-swool ``` ## .env ```env:.env COMPOSER_VERSION=2.5.4 PHP_VERSION=8.1 PHP_BUILD_VERSION=8 ALPINE_VERSION=3.16 SW_VERSION=v5.0.2 ``` ## Related source code https://github.com/hyperf/hyperf-docker/blob/master/8.1/alpine/swoole/Dockerfile#L59-L62 ## Solution If change `php` -> `php81` , may it works. May we can try to add execution file name as environment variable to build docker image. ``` RUN php81 -v & sleep 3 \ && php81 -m & sleep 3 \ && php81 --ri swoole & sleep 3 \ && php81 --ri Zend\ OPcache & sleep 3 \ && composer & sleep 3 \ && echo -e "\033[42;37m Build Completed :).\033[0m\n" ```