Cannot build my docker file on Fedora, apk add says : "BAD signature"
Hi,
Here's my dockerFile :
# cat dockerImages/sebM_MiniLinux
FROM docker.io/alpine:latest
RUN apk update -q
RUN apk -vv add sudo
RUN apk -vv add bash
ENTRYPOINT ["bash"]
Can't build my docker file on Fedora, apk add says : "BAD signature" :
# docker build -t sebm/alpine -f dockerImages/sebM_MiniLinux dockerImages/
Sending build context to Docker daemon 2.048kB
Step 1/5 : FROM docker.io/alpine:latest
---> 389fef711851
Step 2/5 : RUN apk update -q
---> Using cache
---> e831e51bb70a
Step 3/5 : RUN apk -vv add sudo
---> Running in 64ca6156088c
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/community/x86_64/APKINDEX.tar.gz
The following NEW packages will be installed:
sudo
After this operation, 1532 KiB of additional disk space will be used.
(1/1) Installing sudo (1.9.0-r0)
ERROR: sudo-1.9.0-r0: BAD signature
1 error; 14 packages, 94 dirs, 84 files, 6 MiB
The command '/bin/sh -c apk -vv add sudo' returned a non-zero code: 1
# echo $?
1
I'm using docker v20.10.1.
Can you please help me ?