docker-compose.yml

version: '3'

services:
  nginx:
    image: nginx:latest
    ports:
      - "8000:80"
    volumes:
      - .:/var/www/html/
      - ./nginx.conf:/etc/nginx/nginx.conf
    depends_on:
      - php

  php:
    image: php:7.4-fpm
    volumes:
      - .:/var/www/html/

volumes:
  app:

#first run
#1 docker-compose --project-name calc up -d --build
#2 docker-compose --project-name calc down
#3 http://localhost:8000/app/index.php

#use again, i.e. for subsequent runs, you can simply use:
#1 docker-compose --project-name calc up -d
#2 docker-compose --project-name calc down


#php unit - made by composer via composer.json
#vendor/bin/phpunit
#PHPUnit 9.6.13 by Sebastian Bergmann and contributors.
#....                                                             #   4 / 4 (100%)
#Time: 00:00.197, Memory: 6.00 MB
#OK (4 tests, 4 assertions)