Dockerfile

FROM php:7.2-apache

RUN apt-get update

# 1. development packages
RUN apt-get install -y \
  git \
  zip \
  curl \
  sudo \
  unzip \
  libicu-dev \
  libbz2-dev \
  libpng-dev \
  libjpeg-dev \
  libmcrypt-dev \
  libreadline-dev \
  libfreetype6-dev \
  g++

# 2. apache configs + document root
ENV APACHE_DOCUMENT_ROOT=/var/www/html/public
RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

# 3. mod_rewrite for URL rewrite and mod_headers for .htaccess extra headers like Access-Control-Allow-Origin-
RUN a2enmod rewrite headers

# 4. start with base php config, then add extensions
RUN mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"

RUN docker-php-ext-install \
  bz2 \
  intl \
  iconv \
  bcmath \
  opcache \
  calendar \
  mbstring \
  pdo_mysql \
  zip

# 5. composer
COPY --from=composer:latest /usr/bin/composer /usr/bin/composer

RUN chown -R www-data:www-data /var/www/html