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我正在尝试从官方 Arch Linux 映像构建 Docker 映像。这些是我到目前为止所做的事情：

我拉了官方的 Arch Linux 镜像：

docker pull base/archlinux

我写了这个“Dockerfile”：

# Set base image
FROM base/archlinux:latest

# Fix mirrorlist file
#RUN rm /etc/pacman.d/mirrorlist
#RUN echo "Server = http://..." >> /etc/pacman.d/mirrorlist
#RUN echo "Server = http://..." >> /etc/pacman.d/mirrorlist
#RUN echo "Server = http://..." >> /etc/pacman.d/mirrorlist
#RUN echo "Server = http://..." >> /etc/pacman.d/mirrorlist

# Update pacman and install packages
RUN pacman-db-upgrade
RUN pacman -Syyu --noconfirm
RUN pacman -S --noconfirm nodejs phantomjs cronie

# Make cronjobs
RUN echo "*/2 …