Hyperf框架Docker环境安装Mosquitto扩展

在Hyperf官方Dockerfile中添加如下描述即可：

# Install Mosquitto Extention
RUN apk add --no-cache php7-dev \
    && apk add --no-cache autoconf gcc g++ make \
    && apk add --no-cache mosquitto-dev \
    && printf "yes\n" | pecl install Mosquitto-alpha \
    && echo "extension=mosquitto.so" > /etc/php7/conf.d/mosquitto.ini

参考：

Mosquitto-PHP文档