Ghost 1click app: Access denied for user 'ghost'@'localhost'

After creating the droplet and adding the A record, I’m getting this db error: Message: ER_ACCESS_DENIED_ERROR: Access denied for user 'ghost'@'localhost' (using password: YES)

Any help is appreciated.

Full log follows:

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+ sudo chown -R ghost-mgr:ghost-mgr /home/ghost-mgr/.config
✔ Checking system Node.js version
✔ Checking logged in user
✔ Checking current folder permissions
✔ Checking operating system compatibility
✔ Checking for a MySQL installation
✔ Checking memory availability
✔ Checking for latest Ghost version
✔ Setting up install directory
✔ Downloading and installing Ghost v3.21.1
✔ Finishing install process
? Enter your blog URL: https://mywebsite.com
✔ 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
ℹ Setting up "ghost" mysql user [skipped]
✔ Creating nginx config file at /var/www/ghost/system/files/mywebsite.com.conf
+ sudo ln -sf /var/www/ghost/system/files/mywebsite.com.conf /etc/nginx/sites-available/mywebsite.com.conf
+ sudo ln -sf /etc/nginx/sites-available/mywebsite.com.conf /etc/nginx/sites-enabled/mywebsite.com.conf
+ sudo nginx -s reload
✔ Setting up Nginx
? Enter your email (For SSL Certificate) myself@mywebsite.com
+ sudo mkdir -p /etc/letsencrypt
+ sudo ./acme.sh --install --home /etc/letsencrypt
+ sudo /etc/letsencrypt/acme.sh --issue --home /etc/letsencrypt --domain mywebsite.com --webroot /var/www/ghost/system/nginx-root --reloadcmd "nginx -s reload" --accountemail myself@mywebsite.com
+ sudo openssl dhparam -out /etc/nginx/snippets/dhparam.pem 2048
+ sudo mv /tmp/ssl-params.conf /etc/nginx/snippets/ssl-params.conf
✔ Creating ssl config file at /var/www/ghost/system/files/mywebsite.com-ssl.conf
+ sudo ln -sf /var/www/ghost/system/files/mywebsite.com-ssl.conf /etc/nginx/sites-available/mywebsite.com-ssl.conf
+ sudo ln -sf /etc/nginx/sites-available/mywebsite.com-ssl.conf /etc/nginx/sites-enabled/mywebsite.com-ssl.conf
+ sudo nginx -s reload
✔ Setting up SSL
✔ Creating systemd service file at /var/www/ghost/system/files/ghost_mywebsite-com.service
+ sudo ln -sf /var/www/ghost/system/files/ghost_mywebsite-com.service /lib/systemd/system/ghost_mywebsite-com.service
+ sudo systemctl daemon-reload
✔ Setting up Systemd
+ sudo systemctl is-active ghost_mywebsite-com
+ sudo systemctl start ghost_mywebsite-com
+ sudo systemctl stop ghost_mywebsite-com
✖ Starting Ghost
One or more errors occurred.

1) GhostError

Message: ER_ACCESS_DENIED_ERROR: Access denied for user 'ghost'@'localhost' (using password: YES)
Help: Unknown database error
Suggestion: journalctl -u ghost_mywebsite-com -n 50