At this moment the alpine repository is down and I'm having an error when using the action
Build container for action use: '/home/runner/work/_actions/StephanThierry/ftp-delete-action/v1/Dockerfile'.
/usr/bin/docker build -t 7db[2](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:2)d7:4117264019964f7bbf46e8d7a6aeba92 -f "/home/runner/work/_actions/StephanThierry/ftp-delete-action/v1/Dockerfile" "/home/runner/work/_actions/StephanThierry/ftp-delete-action/v1"
Sending build context to Docker daemon 9.216kB
Step 1/4 : FROM alpine:[3](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:3).12
---> b0925e081921
Step 2/[4](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:4) : RUN apk --no-cache add lftp
---> Running in [5](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:5)e3f2d02747d
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/main/x8[6](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:6)_64/APKINDEX.tar.gz
WARNING: Ignoring http://dl-cdn.alpinelinux.org/alpine/v3.12/main: temporary error (try again later)
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/community/x86_64/APKINDEX.tar.gz
WARNING: Ignoring http://dl-cdn.alpinelinux.org/alpine/v3.12/community: temporary error (try again later)
ERROR: unable to select packages:
lftp (no such package):
required by: world[lftp]
The command '/bin/sh -c apk --no-cache add lftp' returned a non-zero code: 1
Warning: Docker build failed with exit code 1, back off 5.889 seconds before retry.
/usr/bin/docker build -t [7](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:7)db2d7:4117264019964f7bbf46e[8](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:8)d7a6aeba[9](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:9)2 -f "/home/runner/work/_actions/StephanThierry/ftp-delete-action/v1/Dockerfile" "/home/runner/work/_actions/StephanThierry/ftp-delete-action/v1"
Sending build context to Docker daemon 9.2[16](https://github.com/syna-proactive/syna/runs/5193340131?check_suite_focus=true#step:2:16)kB