Simple LAMP Docker Setup

docker-compose.yml

version: '3'
services:
    php-apache:
        build: ./
        ports:
            - 8080:80
        volumes:
            - ./:/var/www/html:z
        links:
            - 'mariadb'

    mariadb:
        image: mariadb:10.1
        volumes:
            - mariadb:/var/lib/mysql
        ports:
            - 33060:3306
        environment:
            TZ: "Europe/Berlin"
            MYSQL_ALLOW_EMPTY_PASSWORD: "no"
            MYSQL_ROOT_PASSWORD: "root"
            MYSQL_USER: 'dev'
            MYSQL_PASSWORD: 'dev'
            MYSQL_DATABASE: 'dev'

volumes:
    mariadb:

Dockerfile

FROM php:7.2.1-apache
RUN docker-php-ext-install pdo pdo_mysql mysqli

index.php

<?php

try {
   $dbh = new PDO('mysql:host=mariadb;dbname=dev', 'dev', 'dev');
   $dbh->query('CREATE TABLE IF NOT EXISTS test_table (Name VARCHAR(64) NOT NULL)');
   foreach ($dbh->query('SHOW tables;') as $row) {
      echo '<pre>';
      print_r($row);
      echo '</pre>';
      echo '<hr>';
   }
   $dbh = null;
} catch (PDOException $e) {
   print "Error!: " . $e->getMessage() . "<br/>";
   die();
}