我正在尝试在（dockerized）alpine linux 中安装 dash。我的 Dockerfile 如下：
FROM alpine:latest
RUN \
echo "@community http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && \
apk add --no-cache --update dash
ENV SHELL dash
CMD dash
我得到的输出：
Step 1/4 : FROM alpine:latest
---> 053cde6e8953
Step 2/4 : RUN echo "@community http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && apk add --no-cache --update dash
---> Running in 680f3d4d7dda
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
ERROR: unsatisfiable constraints:
dash-0.5.9.1-r0:
masked in: @community
satisfies: world[dash]
ERROR: Service 'dash_alpine' failed to build: The command '/bin/sh -c echo "@community http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && apk add --no-cache --update dash' returned a non-zero code: 1
然而，基于 alpine linux 包搜索，它似乎在社区仓库中可用：https : //pkgs.alpinelinux.org/packages? name = dash & branch = edge & repo =& arch =& maintainer =
我应该改变什么才能使它工作？
我认为你的echo线路是错误的。
这个文件很适合我。
FROM alpine:edge
RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories \
&& apk add -U --no-cache dash
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我来说两句