Basic Docker Setup for php & MySql with the dependancies for Xenforo

docker-compose.yml

version: '3.3'
services:
  db:
    image: 'mysql:5.7'
    volumes:
      - 'db_data:/var/lib/mysql'
    restart: always
    environment:
      MYSQL_DATABASE: myDb
      MYSQL_USER: user
      MYSQL_PASSWORD: test
      MYSQL_ROOT_PASSWORD: test
    ports: 
      - "3306:3306"
  www:
    depends_on:
      - db
    build: .
    ports:
      - '8001:80'
    volumes:
      - './php:/var/www/html/'
    restart: always
    environment:
      MYSQL_DATABASE: myDb
      MYSQL_USER: user
      MYSQL_PASSWORD: test
      MYSQL_ROOT_PASSWORD: test
volumes:
  db_data: {}

Dockerfile

FROM php:7.1.2-apache 
RUN apt-get update && \
    apt-get install -y libfreetype6-dev libjpeg62-turbo-dev libpng12-dev && \
    docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ && \
    docker-php-ext-install gd

RUN docker-php-ext-install mysqli