ARG RUN_SH_ARG=install-swoole-4.8.sh

Author: aozhuochao

docker-build/Dockerfile

@@ -1,14 +1,14 @@
 ARG FROM_ARG=adockero/php-nginx:7.4-alpine-php-dev
 
-ARG RUN_SH_ARG
+ARG RUN_SH_ARG=install-swoole-4.8.sh
 
 
 FROM ${FROM_ARG}
 
 
 COPY ./docker-build/script /opt/docker/docker-build
 
-RUN echo "${RUN_SH_ARG}" \
+RUN echo "RUN_SH_ARG=${RUN_SH_ARG}" \
     && ls -al /opt/docker/docker-build/ \
     && bash "/opt/docker/docker-build/${RUN_SH_ARG}" \
     && echo "结束"