插入一下内容
FROM php:fpm-alpine
RUN echo http://mirrors.aliyun.com/alpine/v3.10/main>/etc/apk/repositories && \
echo http://mirrors.aliyun.com/alpine/v3.10/community>>/etc/apk/repositories
RUN apk update && apk upgrade
RUN apk add m4 autoconf make gcc g++ linux-headers
ADD ./swoole/swoole-4.4.12.tgz /tmp/
RUN cd /tmp/swoole-4.4.12 && phpize && ./configure && make && make install
RUN docker-php-ext-install pdo_mysql
RUN docker-php-ext-enable swoole
CMD \["php","-m"\]
[注] swoole-4.4.12.tgz的位置，在Dockerfile文件的相对上下文路径
docker build -t php:swoole .
docker run -it --rm --name swoole php:swoole sh -c "php -m"
