Add MySQL SSL note to WordPress description

wordpress/content.md

@@ -40,6 +40,8 @@ $ docker run --name some-%%REPO%% -e WORDPRESS_DB_HOST=10.1.2.3:3306 \
     -e WORDPRESS_DB_USER=... -e WORDPRESS_DB_PASSWORD=... -d %%IMAGE%%
 ```
 
+If your database requires SSL, [WordPress ticket #28625](https://core.trac.wordpress.org/ticket/28625) has the relevant details regarding support for that with WordPress upstream. As a workaround, [the "Secure DB Connection" plugin](https://wordpress.org/plugins/secure-db-connection/) can be extracted into the WordPress directory and the appropriate values described in the configuration of that plugin added in `wp-config.php`.
+
 ## Docker Secrets
 
 As an alternative to passing sensitive information via environment variables, `_FILE` may be appended to the previously listed environment variables, causing the initialization script to load the values for those variables from files present in the container. In particular, this can be used to load passwords from Docker secrets stored in `/run/secrets/<secret_name>` files. For example: