Note about working user variables: you should export two variables at host machine — DUID (docker user id), variable with your current user ID and DGID (docker group id), variable with your current group.

These variables are uses for launch php-process in a container.

For example:

export DUID=$(id -u) && export DGID=$(id -g)

1. Build project:

   docker-compose build

2. Launch project:

   docker-compose up -d

3. Install packages:

   docker-compose exec app composer install

4. Run tests:

   docker-compose exec app vendor/bin/phpunit

After start docker-compose you will see in your browser the next one:

This is a page with information about server environment variables, request and response data.