This provide a simple Docker Compose configuration for creating a LAMP environment.

Having Docker and docker-compose isntalled, as well as a local install of composer.

1. Download any WordPress version, and place it in a wordpress sub-folder of the root folder (the folder where the docker-compose.yml file is located.
2. Open a terminal and run docker-compose up -d
3. Open a browser and go to localhost:8000/wordpress/
4. Complete WordPress 5-min install with the following database credentials:
   • Database name: wordpress
   • Database user: wordpress
   • Database password: wordpress
   • Database host: database

1. Download any WordPress version, and place it in a wordpress sub-folder of the root folder (the folder where the docker-compose.yml file is located.
2. Download the matching version of WordPress tests utilities for PHPUnit, place the includes folder into wordpress-tests-lib.
3. Clone Polylang, Polylang-Pro or any third-party plugin repository inside the root folder (along the docker-compose.yml file.
4. For each plugin, run the composer install and npm install from your local machine.
5. Open a terminal and run docker-compose up -d
6. Check PHP running container's name with docker ps, it should look like docker-lamp_webserver_*.
7. Connect into the running container with docker exec -it docker-lamp_webserver_*.
8. Step into Polylang directory (cd polylang).
9. Run the test from CLI vendor/bin/phpunit

/!\ Warning: The database used will be the same than for the webserver, so all data will be reset each time the test are run!

After having run the container once, you can delete the stored databases with docker-compose down --volumes from the folder that contains the docker-compose.yml file.