Create PHP Docker Environment with Composer and XDebug

docker-php.txt

# docker-compose.yml
version: "3"

services:
    php:
      build:
        context: .
        dockerfile: Dockerfile
      volumes:
          - .:/var/www/html
      working_dir: /var/www/html
      tty: true
      ports:
          - "8080:80"

# Dockerfile

FROM php:7.3

RUN apt-get update && apt-get install -y git zip unzip \
    && php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
    && php composer-setup.php --install-dir=/usr/local/bin --filename=composer \
    && rm composer-setup.php \
    && docker-php-ext-install bcmath exif

RUN pecl install xdebug \
    && docker-php-ext-enable xdebug