Onpremise Installation failed : connexion refused

failed to install onpremise sentry on CentOS server

server is CentOS 7.2 fresh new server
docker and docker-composed freshly installed

onpremise installation fail because of connexion refused

onpremise] docker --version Docker version 18.03.1-ce, build 9ee9f40 onpremise] docker-compose --version
docker-compose version 1.19.0, build 9e633ef
onpremise]$ sudo ./install.sh
[sudo] Mot de passe de sentry :
Checking minimum requirements…
./install.sh: ligne 53 : [: : nombre entier attendu comme expression

Creating volumes for persistent storage…
Created sentry-data.
Created sentry-postgres.
Created sentry-redis.
Created sentry-zookeeper.
Created sentry-kafka.
Created sentry-clickhouse.
Created sentry-symbolicator.

sentry/sentry.conf.py already exists, skipped creation.
sentry/config.yml already exists, skipped creation.
sentry/requirements.txt already exists, skipped creation.

Generating secret key…
Secret key written to sentry/config.yml

Building and tagging Docker images…

Building web
Step 2/8 : FROM ${SENTRY_IMAGE:-getsentry/sentry:latest}
ERROR: Service ‘web’ failed to build: Get https://registry-1.docker.io/v2/: dial tcp getsockopt: connection refused
Cleaning up…

after checking the URL we obtain this : https://registry-1.docker.io/v2/

“errors”: [
“message”: “authentication required”,
“detail”: null

so what i am missing ?
where and how to fill authentification parametters ?
is it a sentry issue or docker issue ?

thanks for your help

This seems like the Docker Hub registry was just down. I’d just retry.

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