The following signatures couldn't be verified because the public key is not available: NO_PUBKEY {#articleContentId}

解决方案如下：

在Dockerfile中加入如下命令即可解决

RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 3B4FE6ACC0B21F32
RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 40976EAF437D05B5
RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com EF0F382A1A7B6500