Hello good day I need help with the following it turns out that I have already done everything explained in the videos to have PHP, MYSQL and Wordpress installed, in a single Droplet but now I need to make the following change and it is the following buy this domain: tgvshoes. com, I have the domain configured in cloudflare.com, I need to make the change on my website in Wordpress, so that instead of this address: http://126.96.36.199/, I am redirecting to this domain tgvshoes.com, I already made the change of the URLs in Wordpress but what is happening to me is that every time I make this change I lose access to the Wordpress wp-admin and the website is also damaged, many times connecting to the database error data. The error message is this: error establishing a database connection wordpress, please if anyone can help me with this since I have been trying to solve this error for several days and on the Internet the only documentation I have found is for Web Hosting servers such as Blue Host and Go Daddy example to give an example, but from Digital Ocean I have not found precise information about this specific error.
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