GitLab

Here’s an easy way to reproduce the problem with a 2-line dockerfile:

Dockerfile:

FROM alpine:edge
RUN apk update && apk add bash

$ docker build -t test-bash -f Dockerfile .

Result:
Sending build context to Docker daemon 4.096 kB
Step 1 : FROM alpine:edge
—->5142b3854bff
Step 2 : RUN apk update && apk add bash
—->Running in d6d8501a4bfb
fetch http://dl-4.alpinelinux.org/alpine/edge/main/x86\_64/APKINDEX.tar.gz
fetch http://dl-4.alpinelinux.org/alpine/edge/community/x86\_64/APKINDEX.tar.gz
v3.3.0_rc3-71-gea289f9b [http://dl-4.alpinelinux.org/alpine/edge/main\]
v3.3.0_rc3-10-g79709ace [http://dl-4.alpinelinux.org/alpine/edge/community\]
OK: 5858 distinct packages available
ERROR: unsatisfiable constraints:
so:libncurses.so.6 (missing):
required by:
readline-6.3.008-r2[so:libncurses.so.6]
bash-4.3.42-r2[so:libncurses.so.6]
readline-6.3.008-r2[so:libncurses.so.6]
readline-6.3.008-r2[so:libncurses.so.6]
The command ‘/bin/sh -c apk update && apk add bash’ returned a non-zero code: 3

(from redmine: issue id 4965, created on 2015-12-18, closed on 2015-12-19)