How to create a url in a wordpress that will return code 200?
You can use your WordPress installation front page for the health check. This is the most reliable indicator that the WordPress site is available.
For what it's worth, I had to set-up a WordPress site in a container and get a health check to succeed before I could even get traffic directed to it. The suggestions for the "front page" work only AFTER WordPress has been installed through the browser. Prior to that they return a 302 status code to
/wp-admin/install.php. I noodled around in the container folders and decided on using
/wp-includes/images/blank.gif as the health check path. This allowed the health check to succeed and traffic started routing to the container. From there I installed WordPress through the browser and was able to change the health check path back to