# 可以执行以下2条命令中的一条
echo "https://mirror.tuna.tsinghua.edu.cn/alpine/v3.8/main/" > /etc/apk/repositories

sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

# alpine中默认的apk源是：
# https://dl-cdn.alpinelinux.org/alpine/v3.13/main
# https://dl-cdn.alpinelinux.org/alpine/v3.13/community

# ustc源
# https://mirrors.ustc.edu.cn/alpine/v3.13/main
# https://mirrors.ustc.edu.cn/alpine/v3.13/community

# 阿里源，清华源并不稳定 最好换成 阿里的源
# https://mirrors.aliyun.com/alpine/v3.13/main
# https://mirrors.aliyun.com/alpine/v3.13/community