How to solve this ghost installation error ?

Hello, I am trying to install Ghost droplet but i am facing problem about ssl configuration. Here is the command line execution :

 ssh root@206.189.11.198

The authenticity of host '206.189.11.198 (206.189.11.198)' can't be established.

ECDSA key fingerprint is SHA256:VgOjIvic+j5B73UEg9EojDK1jkeyEALwtTe1GkaeXTg.

Are you sure you want to continue connecting (yes/no/[fingerprint])? yes

Warning: Permanently added '206.189.11.198' (ECDSA) to the list of known hosts.

"System is booting up. Unprivileged users are not permitted to log in yet. Please come back later. For technical details, see pam_nologin(8)."

"System is booting up. Unprivileged users are not permitted to log in yet. Please come back later. For technical details, see pam_nologin(8)."



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Configuring DigitalOcean 1-Click Ghost installation.



Please wait a minute while your 1-Click is configured.



Once complete, you are encouraged to run mysql_secure_installation to ready

your server for production. The root MySQL password has been saved to:



    root/.digitalocean_password



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Ensuring Ghost-CLI is up-to-date...

+ sudo npm i -g ghost-cli@latest



added 2 packages, removed 1 package, and changed 597 packages in 1m



156 packages are looking for funding

  run `npm fund` for details

npm notice

npm notice New major version of npm available! 9.6.7 -> 10.2.1

npm notice Changelog: https://github.com/npm/cli/releases/tag/v10.2.1

npm notice Run npm install -g npm@10.2.1 to update!

npm notice



Ghost will prompt you for two details:



1. Your domain

 - Add an A Record -> 206.189.11.198 & ensure the DNS has fully propagated

 - Or alternatively enter http://206.189.11.198

2. Your email address (only used for SSL)



Press enter when you're ready to get started!







Love open source? We’re hiring JavaScript Engineers to work on Ghost full-time.

https://careers.ghost.org







✔ Checking system Node.js version - found v18.17.1

✔ Checking current folder permissions

✔ Checking memory availability

✔ Checking free space

✔ Checking for latest Ghost version

✔ Setting up install directory

✔ Downloading and installing Ghost v5.70.1

✔ Finishing install process

? **Enter your blog URL:** https://entrepreneursfrancophones.fr

✔ Configuring Ghost

✔ Setting up instance

+ sudo useradd --system --user-group ghost

+ sudo chown -R ghost:ghost /var/www/ghost/content

✔ Setting up "ghost" system user

✔ Setting up "ghost" mysql user

+ sudo mv /tmp/entrepreneursfrancophones-fr/entrepreneursfrancophones.fr.conf /etc/nginx/sites-available/entrepreneursfrancophones.fr.conf

+ sudo ln -sf /etc/nginx/sites-available/entrepreneursfrancophones.fr.conf /etc/nginx/sites-enabled/entrepreneursfrancophones.fr.conf

+ sudo nginx -s reload

✔ Setting up Nginx

✖ Setting up SSL

+ sudo mv /tmp/entrepreneursfrancophones-fr/ghost_entrepreneursfrancophones-fr.service /lib/systemd/system/ghost_entrepreneursfrancophones-fr.service

+ sudo systemctl daemon-reload

✔ Setting up Systemd

+ sudo systemctl is-active ghost_entrepreneursfrancophones-fr

+ sudo systemctl start ghost_entrepreneursfrancophones-fr

+ sudo systemctl is-enabled ghost_entrepreneursfrancophones-fr

+ sudo systemctl enable ghost_entrepreneursfrancophones-fr --quiet

✔ Starting Ghost

One or more errors occurred.



1) CliError



Message: Error trying to lookup DNS for 'entrepreneursfrancophones.fr'



Debug Information:

    OS: Ubuntu, v22.04.3 LTS

    Node Version: v18.17.1

    Ghost Version: 5.70.1

    Ghost-CLI Version: 1.25.3

    Environment: production

    Command: 'ghost install --auto --db=mysql --dbhost=127.0.0.1 --dbport=3306 --dbname=ghost_production --dbuser=root --dbpass=e02ab77eeef5b7fc0877bbf3fdee83187ceb9bf264785aec --dir=/var/www/ghost --start'



Additional log info available in: /home/ghost-mgr/.ghost/logs/ghost-cli-debug-2023-10-22T08_59_14_253Z.log



Try running ghost doctor to check your system for known issues.



You can always refer to https://ghost.org/docs/ghost-cli/ for troubleshooting.



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For any further commands, please switch to the ghost-mgr user to manage Ghost.



    sudo -i -u ghost-mgr



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Here how i configure my dns in gandi.net and on DigitalOcean as explained ont the following link https://www.digitalocean.com/community/questions/how-to-connect-gandi-domain-with-digital-ocean

What i am missing please ? Thanks