我正在尝试在docker容器中安装New Relic的系统监视,但是apt-key add – 失败,没有找到有效的OpenPGP数据.

有完整的Dockerfile：

FROM ubuntu
MAINTAINER Matej Koubik
RUN echo deb http://apt.newrelic.com/debian/ newrelic non-free >> /etc/apt/sources.list.d/newrelic.list
RUN wget -O- https://download.newrelic.com/548C16BF.gpg | apt-key add -
RUN apt-get update
RUN apt-get install newrelic-sysmond
RUN nrsysmond-config --set license_key=...
RUN /etc/init.d/newrelic-sysmond start