ARG PHP_VERSION=5.6

FROM php:${PHP_VERSION}-cli AS base-env

RUN apt-get update \
    && apt-get install -y \
      git unzip \
    && rm -rf /var/lib/apt/lists/*

RUN curl -s https://getcomposer.org/installer | php && \
  mv composer.phar /usr/local/bin/composer

WORKDIR /pkg

COPY composer.json composer.lock /pkg/

RUN composer install --no-interaction

COPY . /pkg
