A simple PHP web application example for Docker's PHP Language Guide.
echo "password" > db/password.txt # create secret for password
docker compose up --build
open http://localhost:9000/hello.php # hello world
open http://localhost:9000/info.php # php/server info
open http://localhost:9000/database.php # add/view message table
open http://localhost:8080/ # phpmyadmin; username = root