captain-definition

{
  "schemaVersion": 2,
    "dockerfileLines": [
        "FROM php:7.2-apache as common",
        "# Copy our application",
        "COPY . /var/www/html/",
        "#Install php extensions",
        "RUN docker-php-ext-install pdo_mysql",
        "RUN apt-get update -y && apt-get install -y libpng-dev",
        "RUN docker-php-ext-install gd",
        "#Allow Composer to be run as root",
        "#ENV COMPOSER_ALLOW_SUPERUSER 1",
        "# Install composer dependencies",        
        "# Install Composer and make it available in the PATH",
        "RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin/ --filename=composer",
        "# In this image we will download the dependencies, but without the development dependencies.",
        "# The dependencies are installed in the vendor folder that will be copied later into the prod image.",
        "FROM composer as builder-prod",
        "WORKDIR /app",
        "COPY composer.json composer.lock /app/",
        "RUN composer install  \\",
        "    --ignore-platform-reqs \\",
        "    --no-ansi \\",
        "    --no-dev \\",
        "    --no-autoloader \\",
        "    --no-interaction \\",
        "    --no-scripts",
        "# We need to copy our whole application so that we can generate the autoload file inside the vendor folder.",
        "COPY . /app",
        "RUN composer dump-autoload --optimize --no-dev --classmap-authoritative",
        "# This is the image that will be deployed on production.",
        "FROM common as prod",
        "# No display errors to users in production.",
        "#ENV DISPLAY_ERRORS=\"Off\"",
        "# Copy the downloaded dependencies from the builder-prod stage.",
        "COPY --from=builder-prod /app/vendor /var/www/html/vendor",
        "ADD vhosts.conf /etc/apache2/sites-available/000-default.conf",        
        "EXPOSE 80"       
  ]
}